chore: deprecate report_v4 feature flag and remove gating logic (#11320)

- deprecated report_v4 feature flag
- remove the gating logic so new reports is available by default
- make search_with_gin an internal feature flag

config/features.yml

@@ -149,7 +149,8 @@
   enabled: false
 - name: report_v4
   display_name: Report V4
-  enabled: false
+  enabled: true
+  deprecated: true
 - name: contact_chatwoot_support_team
   display_name: Contact Chatwoot Support Team
   enabled: true
@@ -161,6 +162,7 @@
 - name: search_with_gin
   display_name: Search messages with GIN
   enabled: false
+  chatwoot_internal: true
 - name: channel_instagram
   display_name: Instagram Channel
   enabled: true