refactor: simplify FeedItem component and clean up IncidentView layout #7638

Job	Run time
compile-api-reference	51s
compile-common	1m 16s
compile-app	1m 1s
compile-accounts	53s
compile-copilot	52s
compile-docs-reference	51s
compile-home	55s
compile-isolated-vm	52s
compile-worker	58s
compile-workflow	57s
compile-admin-dashboard	1m 11s
compile-dashboard	1m 36s
compile-e2e	1m 41s
compile-fluent-ingest	57s
compile-incoming-request-ingest	55s
compile-infrastructure-agent	22s
compile-nginx	48s
compile-open-telemetry-ingest	56s
compile-probe	49s
compile-probe-ingest	52s
compile-status-page	54s
compile-test-server	50s
	21m 17s

Provide feedback