Don't open with consolidated metadata in mode r+

[mavaylon1]

Motivation

What was the reasoning behind this change? Please explain the changes briefly.
Fix #182

The fix is to open without consolidated metadata when in mode r+.

How to test the behavior?

Show how to reproduce the new behavior (can be a bug fix or a new feature)

Checklist

• Did you update CHANGELOG.md with your changes?
• Have you checked our Contributing document?
• Have you ensured the PR clearly describes the problem and the solution?
• Is your contribution compliant with our coding style? This can be checked running ruff from the source directory.
• Have you checked to ensure that there aren't other open Pull Requests for the same change?
• Have you included the relevant issue number using "Fix #XXX" notation where XXX is the issue number? By including "Fix #XXX" you allow GitHub to close issue #XXX when the PR is merged.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.05%. Comparing base (07a5bb2) to head (5357b2e).

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #193   +/-   ##
=======================================
  Coverage   86.05%   86.05%           
=======================================
  Files           5        5           
  Lines        1162     1162           
  Branches      287      287           
=======================================
  Hits         1000     1000           
  Misses        107      107           
  Partials       55       55           

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[mavaylon1]

Review Notes:
I do not think a test is needed for this.