fix(frontend): 子メニューの表示位置がおかしい

packages/frontend/src/components/MkMenu.vue

@@ -40,9 +40,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<span :class="$style.switchText">{{ item.text }}</span>
 			</button>
 			<button v-else-if="item.type === 'parent'" class="_button" role="menuitem" :tabindex="i" :class="[$style.item, $style.parent, { [$style.childShowing]: childShowingItem === item }]" @mouseenter="preferClick ? null : showChildren(item, $event)" @click="!preferClick ? null : showChildren(item, $event)">
-				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]"></i>
-				<span>{{ item.text }}</span>
-				<span :class="$style.caret"><i class="ti ti-chevron-right ti-fw"></i></span>
+				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]" style="pointer-events: none;"></i>
+				<span style="pointer-events: none;">{{ item.text }}</span>
+				<span :class="$style.caret" style="pointer-events: none;"><i class="ti ti-chevron-right ti-fw"></i></span>
 			</button>
 			<button v-else :tabindex="i" class="_button" role="menuitem" :class="[$style.item, { [$style.danger]: item.danger, [$style.active]: item.active }]" :disabled="item.active" @click="clicked(item.action, $event)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
 				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]"></i>