fix(structure): do not set history inspector height to 0

[pedrobonamin]

Description

The getScrollerRef function is called when the element is empty, this changes the height to 0 and it doesn't reset after selecting the tab.
This adds a check to validate that the height is only set if it exists.

What to review

Testing

Notes for release

fixes an issue in which the history will not load if user open the History → Review Changes → History.

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
page-building-studio	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 27, 2025 5:57pm
performance-studio	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 27, 2025 5:57pm
test-studio	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 27, 2025 5:57pm

2 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
studio-workshop	⬜️ Ignored (Inspect)			Jan 27, 2025 5:57pm
test-next-studio	⬜️ Ignored (Inspect)			Jan 27, 2025 5:57pm

[github-actions]

No changes to documentation

[github-actions]

Component Testing Report Updated Jan 27, 2025 6:03 PM (UTC)

❌ Failed Tests (1) -- expand for details

File	Status	Duration	Passed	Skipped	Failed
comments/CommentInput.spec.tsx	✅ Passed (Inspect)	1m 12s	15	0	0
formBuilder/ArrayInput.spec.tsx	✅ Passed (Inspect)	12s	3	0	0
formBuilder/inputs/PortableText/Annotations.spec.tsx	❌ Failed (Inspect)	1m 19s	5	0	1
formBuilder/inputs/PortableText/copyPaste/CopyPaste.spec.tsx	✅ Passed (Inspect)	52s	11	7	0
formBuilder/inputs/PortableText/copyPaste/CopyPasteFields.spec.tsx	✅ Passed (Inspect)	0s	0	12	0
formBuilder/inputs/PortableText/Decorators.spec.tsx	✅ Passed (Inspect)	26s	6	0	0
formBuilder/inputs/PortableText/DisableFocusAndUnset.spec.tsx	✅ Passed (Inspect)	14s	3	0	0
formBuilder/inputs/PortableText/DragAndDrop.spec.tsx	✅ Passed (Inspect)	27s	6	0	0
formBuilder/inputs/PortableText/FocusTracking.spec.tsx	✅ Passed (Inspect)	1m 7s	15	0	0
formBuilder/inputs/PortableText/Input.spec.tsx	✅ Passed (Inspect)	1m 34s	21	0	0
formBuilder/inputs/PortableText/ObjectBlock.spec.tsx	✅ Passed (Inspect)	2m 4s	21	0	0
formBuilder/inputs/PortableText/PresenceCursors.spec.tsx	✅ Passed (Inspect)	13s	3	9	0
formBuilder/inputs/PortableText/Styles.spec.tsx	✅ Passed (Inspect)	26s	6	0	0
formBuilder/inputs/PortableText/Toolbar.spec.tsx	✅ Passed (Inspect)	1m 44s	21	0	0
formBuilder/tree-editing/TreeEditing.spec.tsx	✅ Passed (Inspect)	0s	0	3	0
formBuilder/tree-editing/TreeEditingNestedObjects.spec.tsx	✅ Passed (Inspect)	0s	0	3	0

[github-actions]

⚡️ Editor Performance Report

Updated Mon, 27 Jan 2025 18:08:54 GMT

Benchmark	reference latency of sanity@latest	experiment latency of this branch	Δ (%) latency difference
article (title)	24.1 efps (42ms)	21.1 efps (48ms)	+6ms (+14.5%)	✅
article (body)	59.3 efps (17ms)	63.3 efps (16ms)	-1ms (-6.2%)	✅
article (string inside object)	24.4 efps (41ms)	22.2 efps (45ms)	+4ms (+9.8%)	✅
article (string inside array)	20.0 efps (50ms)	20.0 efps (50ms)	+0ms (-/-%)	✅
recipe (name)	47.6 efps (21ms)	55.6 efps (18ms)	-3ms (-14.3%)	✅
recipe (description)	55.6 efps (18ms)	58.8 efps (17ms)	-1ms (-5.6%)	✅
recipe (instructions)	99.9+ efps (5ms)	99.9+ efps (5ms)	+0ms (-/-%)	✅
synthetic (title)	18.5 efps (54ms)	18.9 efps (53ms)	-1ms (-1.9%)	✅
synthetic (string inside object)	18.9 efps (53ms)	19.0 efps (53ms)	-1ms (-0.9%)	✅

efps — editor "frames per second". The number of updates assumed to be possible within a second.

Derived from input latency. efps = 1000 / input_latency

Detailed information

🏠 Reference result

The performance result of sanity@latest

Benchmark	latency	p75	p90	p99	blocking time	test duration
article (title)	42ms	63ms	66ms	351ms	675ms	10.7s
article (body)	17ms	20ms	36ms	138ms	88ms	5.6s
article (string inside object)	41ms	44ms	53ms	93ms	392ms	7.2s
article (string inside array)	50ms	52ms	56ms	72ms	220ms	7.3s
recipe (name)	21ms	23ms	26ms	43ms	0ms	7.4s
recipe (description)	18ms	20ms	22ms	35ms	0ms	4.6s
recipe (instructions)	5ms	7ms	7ms	8ms	0ms	3.0s
synthetic (title)	54ms	57ms	70ms	385ms	1173ms	18.4s
synthetic (string inside object)	53ms	55ms	69ms	320ms	524ms	8.3s

🧪 Experiment result

The performance result of this branch

Benchmark	latency	p75	p90	p99	blocking time	test duration
article (title)	48ms	66ms	78ms	531ms	1105ms	11.8s
article (body)	16ms	19ms	32ms	246ms	334ms	5.8s
article (string inside object)	45ms	48ms	54ms	98ms	226ms	7.3s
article (string inside array)	50ms	53ms	59ms	323ms	292ms	7.9s
recipe (name)	18ms	20ms	23ms	41ms	0ms	7.4s
recipe (description)	17ms	18ms	19ms	30ms	0ms	4.3s
recipe (instructions)	5ms	6ms	7ms	10ms	0ms	3.0s
synthetic (title)	53ms	55ms	61ms	336ms	907ms	13.0s
synthetic (string inside object)	53ms	59ms	73ms	535ms	1412ms	8.7s

📚 Glossary

column definitions

• benchmark — the name of the test, e.g. "article", followed by the label of the field being measured, e.g. "(title)".
• latency — the time between when a key was pressed and when it was rendered. derived from a set of samples. the median (p50) is shown to show the most common latency.
• p75 — the 75th percentile of the input latency in the test run. 75% of the sampled inputs in this benchmark were processed faster than this value. this provides insight into the upper range of typical performance.
• p90 — the 90th percentile of the input latency in the test run. 90% of the sampled inputs were faster than this. this metric helps identify slower interactions that occurred less frequently during the benchmark.
• p99 — the 99th percentile of the input latency in the test run. only 1% of sampled inputs were slower than this. this represents the worst-case scenarios encountered during the benchmark, useful for identifying potential performance outliers.
• blocking time — the total time during which the main thread was blocked, preventing user input and UI updates. this metric helps identify performance bottlenecks that may cause the interface to feel unresponsive.
• test duration — how long the test run took to complete.