gdkdrop-x11: Update gdk drop action after determining suggested action

Call gdk_x11_drop_update_action() after determining what the
suggested action is (using the preferred action from the
gtkdroptarget).

gdk/x11/gdkdrop-x11.c

@@ -655,6 +655,7 @@ xdnd_position_filter (GdkSurface   *surface,
       impl = GDK_X11_SURFACE (surface);
 
       drop_x11->suggested_action = xdnd_action_from_atom (display, action);
+      drop_x11->xdnd_have_actions = TRUE;
       gdk_x11_drop_update_actions (drop_x11);
 
       drop_x11->last_x = x_root / impl->surface_scale;
@@ -806,6 +807,10 @@ gdk_x11_drop_status (GdkDrop       *drop,
                                           gdk_x11_drop_do_nothing,
                                           display);
     }
+
+    drop_x11->suggested_action = suggested_action;
+    drop_x11->xdnd_have_actions = FALSE;
+    gdk_x11_drop_update_actions (drop_x11);
 }
 
 static void