Fix issue on conversation update

lib/ui/screens/update_conversation_screen.dart

@@ -143,13 +143,13 @@ class _UpdateConversationScreen extends State<UpdateConversationScreen> {
   Future<void> _submitForm() async {
     final settings = Conversation(
         id: isUpdating ? widget.initialSettings.id : 0,
+        ownerID: isUpdating ? widget.initialSettings.ownerID : 0,
         name: _nameController.text,
         following: _followConversation,
         members: _members.usersID,
 
         // Give random value to these fields as they are ignored here
         lastActive: 0,
-        ownerID: 0,
         sawLastMessage: true);
 
     // Create the conversation