chore(issue-details): Add feature flag for lifetime stats (#89944)

adds a feature flag so we can test the impact of
#89679

Author: roggenkemper

src/sentry/features/temporary.py

@@ -150,6 +150,8 @@ def register_temporary_features(manager: FeatureManager):
     manager.add("organizations:issue-platform-deletion", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=True)
     # Enable Issue Platform deletion UI
     manager.add("organizations:issue-platform-deletion-ui", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=True)
+    # Enables lifetime stats on issue details
+    manager.add("organizations:issue-details-lifetime-stats", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=True)
     # Enables streamlined issue details UI for all users of an organization without opt-out
     manager.add("organizations:issue-details-streamline-enforce", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=True)
     # Whether to allow issue only search on the issue list