feat(insights): Register feature flag (#71013)

This feature flag will control the rollout of renaming Performance
modules to "Insights". This will affect the sidebar navigation, the
routing, and some UI labels.

src/sentry/conf/server.py

@@ -1893,6 +1893,8 @@ def custom_parameter_sort(parameter: dict) -> tuple[str, int]:
     "organizations:starfish-browser-webvitals-replace-fid-with-inp": False,
     # Uses a computed total count to calculate the score in the browser starfish webvitals module, instead of measurements.score.total
     "organizations:starfish-browser-webvitals-score-computed-total": False,
+    # Rename current Performance modules to "Insights"
+    "organizations:performance-insights": False,
     # Enable queues module ui
     "organizations:performance-queues-view": False,
     # Enable browser starfish cache module ui

src/sentry/features/temporary.py

@@ -137,6 +137,7 @@ def register_temporary_features(manager: FeatureManager):
     manager.add("organizations:performance-discover-widget-split-override-save", OrganizationFeature, FeatureHandlerStrategy.REMOTE)
     manager.add("organizations:performance-discover-widget-split-ui", OrganizationFeature, FeatureHandlerStrategy.REMOTE)
     manager.add("organizations:performance-file-io-main-thread-detector", OrganizationFeature, FeatureHandlerStrategy.INTERNAL)
+    manager.add("organizations:performance-insights", OrganizationFeature, FeatureHandlerStrategy.REMOTE)
     manager.add("organizations:performance-issues-all-events-tab", OrganizationFeature, FeatureHandlerStrategy.REMOTE)
     manager.add("organizations:performance-issues-dev", OrganizationFeature, FeatureHandlerStrategy.REMOTE)
     manager.add("organizations:performance-issues-search", OrganizationFeature, FeatureHandlerStrategy.INTERNAL)