Fix trackpad not works

lib/components/gallery_info.dart

@@ -152,6 +152,7 @@ class _GalleryInfo extends State<GalleryInfo> with ThemeModeWidget {
                 dragDevices: {
                   PointerDeviceKind.touch,
                   PointerDeviceKind.mouse,
+                  PointerDeviceKind.trackpad,
                 },
               ),
               child: v));

lib/components/tags.dart

@@ -100,6 +100,7 @@ class _TagsPanel extends State<TagsPanel> {
           dragDevices: {
             PointerDeviceKind.touch,
             PointerDeviceKind.mouse,
+            PointerDeviceKind.trackpad,
           },
         ),
         child: re);

lib/pages/task_manager.dart

@@ -270,6 +270,7 @@ class _TaskManagerPage extends State<TaskManagerPage>
                     dragDevices: {
                       PointerDeviceKind.touch,
                       PointerDeviceKind.mouse,
+                      PointerDeviceKind.trackpad,
                     },
                   ),
                   child: _buildView(context))),

lib/pages/users.dart

@@ -110,6 +110,7 @@ class _UsersPage extends State<UsersPage> with ThemeModeWidget, IsTopWidget2 {
                 dragDevices: {
                   PointerDeviceKind.touch,
                   PointerDeviceKind.mouse,
+                  PointerDeviceKind.trackpad,
                 },
               ),
               child: _buildUserList(context))),