feat(local-player-launcher): add cancel buttons for easier dialog dismissal

- Added a cancel button below main action buttons on the player launcher
- Inserted another cancel button inside the settings section for consistent UI
- Both buttons use ghost variant style and full width with muted text
- Enhance user experience by providing improved dialog dismissal options

src/components/local-player-launcher.tsx

@@ -472,6 +472,12 @@ export default function LocalPlayerLauncher({
               </Button>
             </div>
             
+            <div className="flex gap-2 mt-2">
+              <Button onClick={onClose} variant="ghost" className="w-full text-muted-foreground">
+                Cancel
+              </Button>
+            </div>
+            
             <div className="mt-3 text-xs text-muted-foreground text-center">
               You can change this in Settings → Video Player
             </div>
@@ -688,6 +694,17 @@ export default function LocalPlayerLauncher({
               Settings
             </Button>
           </div>
+          
+          {/* Cancel Button */}
+          <div className="pt-2">
+            <Button
+              onClick={onClose}
+              variant="ghost"
+              className="w-full text-muted-foreground"
+            >
+              Cancel
+            </Button>
+          </div>
         </CardContent>
       </Card>
     </div>