feat(logs): Add ourlogs-table-expando feature flag (#112031)

Register the `organizations:ourlogs-table-expando` feature flag to gate
the expand/collapse table height toggle in the logs UI.

Split out from #109819 so the flag lands independently of the UI
changes.

Made with [Cursor](https://cursor.com)

Co-authored-by: Claude Opus <noreply@anthropic.com>

Author: JoshuaKGoldberg

src/sentry/features/temporary.py

@@ -459,6 +459,8 @@ def register_temporary_features(manager: FeatureManager) -> None:
     manager.add("organizations:ourlogs-stats", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=True)
     # Enable overlaying charts in logs
     manager.add("organizations:ourlogs-overlay-charts-ui", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=True)
+    # Enable the expand/collapse table height toggle in the logs UI
+    manager.add("organizations:ourlogs-table-expando", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=True)
     # Enable alerting on trace metrics
     manager.add("organizations:tracemetrics-alerts", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=True)
     # Enable attributes dropdown side panel in trace metrics