[kcm/kwinrules] Port to new Connections syntax

While at it remove `FIXME`comment that no longer applies

kcmkwin/kwinrules/package/contents/ui/RulesEditor.qml

@@ -54,7 +54,6 @@ ScrollViewKCM {
         }
     }
 
-    // FIXME: InlineMessage.qml:241:13: QML Label: Binding loop detected for property "verticalAlignment"
     header: Kirigami.InlineMessage {
         Layout.fillWidth: true
         Layout.fillHeight: true
@@ -99,7 +98,7 @@ ScrollViewKCM {
 
     Connections {
         target: rulesModel
-        onSuggestionsChanged: {
+        function onSuggestionsChanged() {
             propertySheet.sheetOpen = true;
         }
     }

kcmkwin/kwinrules/package/contents/ui/RulesList.qml

@@ -26,7 +26,7 @@ ScrollViewKCM {
     // Manage KCM pages
     Connections {
         target: kcm
-        onEditIndexChanged: {
+        function onEditIndexChanged() {
             if (kcm.editIndex < 0) {
                 // If no rule is being edited, hide RulesEdidor page
                 kcm.pop();