Replaced all NWidgets callback by proper signals

Modules/SidePanel/Cards/PowerProfilesCard.qml

@@ -21,17 +21,23 @@ NBox {
     // Performance
     NIconButton {
       icon: "speed"
-      onClicked: function () {/* TODO: hook to power profile */ }
+      onClicked: {
+
+        /* TODO: hook to power profile */ }
     }
     // Balanced
     NIconButton {
       icon: "balance"
-      onClicked: function () {/* TODO: hook to power profile */ }
+      onClicked: {
+
+        /* TODO: hook to power profile */ }
     }
     // Eco
     NIconButton {
       icon: "eco"
-      onClicked: function () {/* TODO: hook to power profile */ }
+      onClicked: {
+
+        /* TODO: hook to power profile */ }
     }
     Item {
       Layout.fillWidth: true

Modules/SidePanel/Cards/ProfileCard.qml

@@ -59,7 +59,7 @@ NBox {
       }
       NIconButton {
         icon: "settings"
-        onClicked: function () {
+        onClicked: {
           if (!root.settingsWindow) {
             const comp = Qt.createComponent("../../Settings/SettingsWindow.qml")
             if (comp.status === Component.Ready) {