refactor(ui): improve ComboBox layout in settings views #4222

* Wrapped `ComboBox` in a `SizedBox` to set a fixed width for better UI consistency.
* Enhanced readability and maintainability of the code structure.

wox.ui.flutter/wox/lib/modules/setting/views/wox_setting_general_view.dart

@@ -118,7 +118,9 @@ class WoxSettingGeneralView extends WoxSettingBaseView {
           label: controller.tr("ui_last_query_mode"),
           tips: controller.tr("ui_last_query_mode_tips"),
           child: Obx(() {
-            return ComboBox<String>(
+            return SizedBox(
+              width: 250,
+              child: ComboBox<String>(
                 items: [
                   ComboBoxItem(
                     value: WoxLastQueryModeEnum.WOX_LAST_QUERY_MODE_PRESERVE.code,
@@ -135,6 +137,7 @@ class WoxSettingGeneralView extends WoxSettingBaseView {
                     controller.updateConfig("LastQueryMode", v);
                   }
                 },
+              ),
             );
           }),
         ),

wox.ui.flutter/wox/lib/modules/setting/views/wox_setting_ui_view.dart

@@ -13,7 +13,9 @@ class WoxSettingUIView extends WoxSettingBaseView {
           label: controller.tr("ui_show_position"),
           tips: controller.tr("ui_show_position_tips"),
           child: Obx(() {
-            return ComboBox<String>(
+            return SizedBox(
+              width: 200,
+              child: ComboBox<String>(
                 items: [
                   ComboBoxItem(
                     value: "mouse_screen",
@@ -34,6 +36,7 @@ class WoxSettingUIView extends WoxSettingBaseView {
                     controller.updateConfig("ShowPosition", v);
                   }
                 },
+              ),
             );
           }),
         ),