kcms/rules: Fix import/export FileDialog type

They were just missing the alias qualifier.

Add also explicit parameters to the signal handlers.

BUG: 481082
FIXED-IN: 6.0

src/kcms/rules/ui/FileDialogLoader.qml

@@ -22,7 +22,7 @@ Loader {
         id: fileDialog
 
         title: root.title
-        fileMode: root.isSaveDialog ? FileDialog.SaveFile : FileDialog.OpenFile
+        fileMode: root.isSaveDialog ? QtDialogs.FileDialog.SaveFile : QtDialogs.FileDialog.OpenFile
         currentFolder: root.lastFolder || StandardPaths.standardLocations(StandardPaths.HomeLocation)[0]
         nameFilters: [ i18n("KWin Rules (*.kwinrule)") ]
         defaultSuffix: "*.kwinrule"

src/kcms/rules/ui/main.qml

@@ -241,7 +241,7 @@ KCM.ScrollViewKCM {
         onLastFolderChanged: {
             exportDialog.lastFolder = lastFolder;
         }
-        onFileSelected: {
+        onFileSelected: path => {
             kcm.importFromFile(path);
         }
     }
@@ -253,7 +253,7 @@ KCM.ScrollViewKCM {
         onLastFolderChanged: {
             importDialog.lastFolder = lastFolder;
         }
-        onFileSelected: {
+        onFileSelected: path => {
             selectedIndexes.sort();
             kcm.exportToFile(path, selectedIndexes);
             exportInfo.visible = false;