perf: Contact optimisation fixes (#12016)

- Avoids the duplicate count queries for contact end point

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/views/api/v1/accounts/contacts/active.json.jbuilder

@@ -5,6 +5,6 @@ end
 
 json.payload do
   json.array! @contacts do |contact|
-    json.partial! 'api/v1/models/contact', formats: [:json], resource: contact, with_contact_inboxes: true
+    json.partial! 'api/v1/models/contact', formats: [:json], resource: contact, with_contact_inboxes: @include_contact_inboxes
   end
 end