fix(client): 一部のコンポーネントが裏に隠れるのを修正

packages/client/src/ui/_common_/upload.vue

@@ -1,5 +1,5 @@
 <template>
-<div class="mk-uploader _acrylic">
+<div class="mk-uploader _acrylic" :style="{ zIndex }">
 	<ol v-if="uploads.length > 0">
 		<li v-for="ctx in uploads" :key="ctx.id">
 			<div class="img" :style="{ backgroundImage: `url(${ ctx.img })` }"></div>
@@ -25,6 +25,7 @@ export default defineComponent({
 	data() {
 		return {
 			uploads: os.uploads,
+			zIndex: os.claimZIndex(true),
 		};
 	},
 });
@@ -33,7 +34,6 @@ export default defineComponent({
 <style lang="scss" scoped>
 .mk-uploader {
 	position: fixed;
-	z-index: 10000;
 	right: 16px;
 	width: 260px;
 	top: 32px;