refactor(frontend): Formまわりの型強化 (#16260)

* refactor(frontend): Formまわりの型強化

* fix

* avoid non-null assertion and add null check for safety

* refactor

* avoid non-null assertion and add null check for safety

* Update clip.vue

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/frontend/src/widgets/WidgetJobQueue.vue

@@ -54,7 +54,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 import { onUnmounted, reactive, ref } from 'vue';
 import { useWidgetPropsManager } from './widget.js';
 import type { WidgetComponentEmits, WidgetComponentExpose, WidgetComponentProps } from './widget.js';
-import type { GetFormResultType } from '@/utility/form.js';
+import type { FormWithDefault, GetFormResultType } from '@/utility/form.js';
 import { useStream } from '@/stream.js';
 import kmg from '@/filters/kmg.js';
 import * as sound from '@/utility/sound.js';
@@ -66,14 +66,14 @@ const name = 'jobQueue';
 
 const widgetPropsDef = {
 	transparent: {
-		type: 'boolean' as const,
+		type: 'boolean',
 		default: false,
 	},
 	sound: {
-		type: 'boolean' as const,
+		type: 'boolean',
 		default: false,
 	},
-};
+} satisfies FormWithDefault;
 
 type WidgetProps = GetFormResultType<typeof widgetPropsDef>;