ConversationErrorsRow: remove warning

Change-Id: Ib050db807596bf104300602cabcc4901b8cc469c

src/app/mainview/components/ConversationErrorsRow.qml

@@ -35,7 +35,7 @@ Rectangle {
         target: CurrentConversation
         enabled: true
 
-        onErrorsChanged: {
+        function onErrorsChanged() {
             if (CurrentConversation.errors.length > 0) {
                 errorLabel.text = CurrentConversation.errors[0]
                 backendErrorToolTip.text = JamiStrings.backendError.arg(CurrentConversation.backendErrors[0])