portable-service: enable quick_support by rename as xxxqs.exe

Signed-off-by: 21pages <pages21@163.com>

src/flutter_ffi.rs

@@ -1178,6 +1178,7 @@ pub fn main_account_auth_result() -> String {
 }
 
 pub fn main_on_main_window_close() {
+    // may called more than one times
     #[cfg(windows)]
     crate::portable_service::client::drop_portable_service_shared_memory();
 }