Add back ability to long press title bar to go to system contact.

Resolves #13372

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationFragment.kt

@@ -1328,6 +1328,13 @@ class ConversationFragment :
         optionsMenuCallback.handleConversationSettings()
       }
     }
+
+    if (recipient.isSystemContact) {
+      titleView.setOnLongClickListener {
+        startActivity(Intent(Intent.ACTION_VIEW, recipient.contactUri))
+        return@setOnLongClickListener true
+      }
+    }
   }
 
   private fun presentWallpaper(chatWallpaper: ChatWallpaper?) {