feat(replay): Create a feature-flag for a new Replay Details>Errors tab (#50647)

Relates to https://github.com/getsentry/sentry/issues/50306

src/sentry/conf/server.py

@@ -1467,6 +1467,8 @@ SENTRY_FEATURES = {
     "organizations:session-replay-ui": True,
     # Enabled for those orgs who participated in the Replay Beta program
     "organizations:session-replay-beta-grace": False,
+    # Enabled experimental session replay errors view, replacing issues
+    "organizations:session-replay-errors-tab": False,
     # Enable replay GA messaging (update paths from AM1 to AM2)
     "organizations:session-replay-ga": False,
     # Enabled experimental session replay network data view

src/sentry/features/__init__.py

@@ -169,6 +169,7 @@ default_manager.add("organizations:session-replay", OrganizationFeature, Feature
 default_manager.add("organizations:session-replay-click-search-banner-rollout", OrganizationFeature, FeatureHandlerStrategy.REMOTE)
 default_manager.add("organizations:session-replay-ui", OrganizationFeature, FeatureHandlerStrategy.INTERNAL)
 default_manager.add("organizations:session-replay-beta-grace", OrganizationFeature, FeatureHandlerStrategy.REMOTE)
+default_manager.add("organizations:session-replay-errors-tab", OrganizationFeature, FeatureHandlerStrategy.REMOTE)
 default_manager.add("organizations:session-replay-ga", OrganizationFeature, FeatureHandlerStrategy.REMOTE)
 default_manager.add("organizations:session-replay-network-details", OrganizationFeature, FeatureHandlerStrategy.REMOTE)
 default_manager.add("organizations:session-replay-sdk", OrganizationFeature, FeatureHandlerStrategy.REMOTE)