fix: The alphabet also closes when the launchpad is shut down

as title.

PMS-BUG-289179

Author: wjyrich

qml/windowed/AppList.qml

@@ -25,8 +25,8 @@ ColumnLayout {
         loader.item.focus = true
     }
 
-    function positionViewAtBeginning() {
-        loader.item.positionViewAtBeginning()
+    function resetViewState() {
+        loader.item.resetViewState()
     }
 
     function switchToFreeSort(freeSort) {

qml/windowed/AppListView.qml

@@ -17,9 +17,14 @@ FocusScope {
 
     property Item keyTabTarget: listView
     property alias model: listView.model
+    property var categoryMenu: null
 
-    function positionViewAtBeginning() {
+    function resetViewState() {
         listView.positionViewAtBeginning()
+        if (!LauncherController.visible) {
+            alphabetCategoryPopup.close()
+            if (categoryMenu) categoryMenu.close()
+        }
     }
 
     function scrollToAlphabetCategory(character) {
@@ -133,6 +138,7 @@ FocusScope {
                             } else if (CategorizedSortProxyModel.categoryType === CategorizedSortProxyModel.DDECategory) {
                                 ddeCategoryMenu.existingSections = CategorizedSortProxyModel.DDECategorySections()
                                 listView.opacity = 0.1
+                                root.categoryMenu = ddeCategoryMenu
                                 ddeCategoryMenu.open()
                             }
                         }

qml/windowed/WindowedFrame.qml

@@ -286,8 +286,8 @@ InputEventItem {
             bottomBar.searchEdit.text = ""
             // reset(remove) keyboard focus
             baseLayer.focus = true
-            // reset scroll area position
-            appList.positionViewAtBeginning()
+            // reset scroll area position and state
+            appList.resetViewState()
             folderGridViewPopup.close()
         }
     }