feat(Launcher/Spotlight): improve context keyboard navigation and mode persistence (#2467)

* feat(Spotlight): fix submenu keyboard navigation

* feat(Launcher/Spotlight): disable persisting last mode when changed by triggers

* feat(Launcher/Spotlight): add option to disable last mode being persisted

* fix(Launcher/Spotlight): fix context menu keys navigation

* fix(NiriOverviewOverlay): fix context menu keys navigation and position

quickshell/Modals/DankLauncherV2/SpotlightLauncherContent.qml

@@ -12,6 +12,7 @@ FocusScope {
     property var parentModal: null
     property alias searchField: searchInput
     property alias controller: searchController
+    readonly property alias activeContextMenu: contextMenu
 
     readonly property bool _hasQuery: searchInput.text.length > 0
     readonly property real _searchBarH: 56
@@ -239,8 +240,8 @@ FocusScope {
 
     Connections {
         target: searchController
-        function onModeChanged(mode) {
-            if (searchController.autoSwitchedToFiles)
+        function onModeChanged(mode, userInitiated) {
+            if (!userInitiated || !SettingsData.rememberLastMode)
                 return;
             SessionData.setLauncherLastMode(mode);
         }