island: honor launcher unload on close

quickshell/Modules/DIsland/IslandBarHost.qml

@@ -444,7 +444,7 @@ Item {
         id: launcherController
 
         active: controller.launcherSessionActive
-        retainResultsOnClose: true
+        retainResultsOnClose: !SettingsData.dankLauncherV2UnloadOnClose
         viewModeContext: "spotlight"
         forceLinearNavigation: true
     }

quickshell/Modules/DIsland/IslandController.qml

@@ -330,7 +330,7 @@ QtObject {
 
     // The launcher stays loaded once built, so reopening never waits on a rebuild.
     function keepsVisuals(activityId) {
-        return activityId === "launcher" && destinationState[activityId].ready;
+        return activityId === "launcher" && !SettingsData.dankLauncherV2UnloadOnClose && destinationState[activityId].ready;
     }
 
     function releaseIdleVisuals() {