adding feature flag for config message receiving

ts/receiver/configMessage.ts

@@ -124,6 +124,8 @@ const handleContactReceived = async (
     };
     // updateProfile will do a commit for us
     contactConvo.set('active_at', _.toNumber(envelope.timestamp));
+
+    if (window.lokiFeatureFlags.useMessageRequests === true) {
       contactConvo.setIsApproved(Boolean(contactReceived.isApproved));
 
       if (contactReceived.isBlocked === true) {
@@ -131,6 +133,7 @@ const handleContactReceived = async (
       } else {
         await BlockedNumberController.unblock(contactConvo.id);
       }
+    }
 
     await updateProfileOneAtATime(contactConvo, profile, contactReceived.profileKey);
   } catch (e) {

ts/receiver/queuedJob.ts

@@ -311,7 +311,7 @@ async function handleRegularMessage(
     updateReadStatus(message, conversation);
   }
 
-  if (type === 'outgoing') {
+  if (type === 'outgoing' && window.lokiFeatureFlags.useMessageRequests) {
     handleSyncedReceipts(message, conversation);
 
     // assumes sync receipts are always from linked device outgoings?