[DNM] hasty fix drag-n-drop on Wayland, Linux

No idea how to do it right. Do a dirty hack to make it works.

See tauri-apps#1256 for details.

src/webkitgtk/drag_drop.rs

@@ -93,22 +93,19 @@ pub(crate) fn connect_drag_event(webview: &WebView, handler: Box<dyn Fn(DragDrop
   {
     let controller = controller.clone();
     webview.connect_drag_drop(move |_, _, x, y, _| {
-      if controller.has_entered() {
-        if let Some(paths) = controller.take_paths() {
-          controller.leave();
-          return controller.call(DragDropEvent::Drop {
-            paths,
-            position: (x, y),
-          });
-        }
+      if let Some(paths) = controller.take_paths() {
+        return controller.call(DragDropEvent::Drop {
+          paths,
+          position: (x, y),
+        });
       }
 
       false
     });
   }
 
   webview.connect_drag_leave(move |_, _, time| {
-    if time == 0 {
+    if controller.has_entered() {
       controller.leave();
       controller.call(DragDropEvent::Leave);
     }