fix: linux, flutter, workaround freeze (#10324)

Signed-off-by: fufesou <linlong1266@gmail.com>

flutter/lib/mobile/pages/file_manager_page.dart

@@ -225,7 +225,7 @@ class _FileManagerPageState extends State<FileManagerPage> {
                                   errorText: errorText,
                                 ),
                                 controller: name,
-                              ),
+                              ).workaroundFreezeLinuxMint(),
                             ],
                           ),
                           actions: [

flutter/lib/mobile/pages/remote_page.dart

@@ -604,7 +604,7 @@ class _RemotePageState extends State<RemotePage> with WidgetsBindingObserver {
                       // ko/zh/ja input method: the button will trigger `onKeyEvent`
                       //                     and the event will not popup if `KeyEventResult.handled` is returned.
                       onChanged: handleSoftKeyboardInput,
-                    ),
+                    ).workaroundFreezeLinuxMint(),
             ),
           ];
           if (showCursorPaint) {

flutter/lib/mobile/widgets/dialog.dart

@@ -66,7 +66,7 @@ void setPermanentPasswordDialog(OverlayDialogManager dialogManager) async {
                     ? null
                     : translate('Too short, at least 6 characters.');
               },
-            ),
+            ).workaroundFreezeLinuxMint(),
             TextFormField(
               obscureText: true,
               keyboardType: TextInputType.visiblePassword,
@@ -85,7 +85,7 @@ void setPermanentPasswordDialog(OverlayDialogManager dialogManager) async {
                     ? null
                     : translate('The confirmation is not identical.');
               },
-            ),
+            ).workaroundFreezeLinuxMint(),
           ])),
       onCancel: close,
       onSubmit: (validateLength && validateSame) ? submit : null,
@@ -216,7 +216,7 @@ void showServerSettingsWithValue(
                 ),
                 validator: validator,
                 autofocus: autofocus,
-              ),
+              ).workaroundFreezeLinuxMint(),
             ),
           ],
         );
@@ -229,7 +229,7 @@ void showServerSettingsWithValue(
           errorText: errorMsg.isEmpty ? null : errorMsg,
         ),
         validator: validator,
-      );
+      ).workaroundFreezeLinuxMint();
     }
 
     return CustomAlertDialog(