feat: 移除多个组件中的多余 variant 属性，简化代码

src/components/cards/PluginAppCard.vue

@@ -208,13 +208,7 @@ const dropdownItems = ref([
                 <VIcon icon="mdi-dots-vertical" />
                 <VMenu activator="parent" close-on-content-click>
                   <VList>
-                    <VListItem
-                      v-for="(item, i) in dropdownItems"
-                      v-show="item.show"
-                      :key="i"
-                      variant="plain"
-                      @click="item.props.click"
-                    >
+                    <VListItem v-for="(item, i) in dropdownItems" v-show="item.show" :key="i" @click="item.props.click">
                       <template #prepend>
                         <VIcon :icon="item.props.prependIcon" />
                       </template>

src/components/cards/PluginCard.vue

@@ -393,7 +393,6 @@ watch(
                       v-for="(item, i) in dropdownItems"
                       v-show="item.show"
                       :key="i"
-                      variant="plain"
                       :base-color="item.props.color"
                       @click="item.props.click"
                     >

src/components/cards/SiteCard.vue

@@ -354,13 +354,13 @@ onMounted(() => {
               <VIcon icon="mdi-dots-vertical" size="18" />
               <VMenu activator="parent" close-on-content-click location="left">
                 <VList density="compact" nav class="dropdown-menu">
-                  <VListItem variant="plain" @click="siteEditDialog = true" base-color="info">
+                  <VListItem @click="siteEditDialog = true" base-color="info">
                     <template #prepend>
                       <VIcon icon="mdi-file-edit-outline" size="small" />
                     </template>
                     <VListItemTitle>编辑站点</VListItemTitle>
                   </VListItem>
-                  <VListItem variant="plain" @click="deleteSiteInfo">
+                  <VListItem @click="deleteSiteInfo">
                     <template #prepend>
                       <VIcon icon="mdi-delete-outline" size="small" color="error" />
                     </template>

src/components/cards/SubscribeCard.vue

@@ -311,12 +311,7 @@ function onSubscribeEditRemove() {
               <VMenu activator="parent" close-on-content-click>
                 <VList>
                   <template v-for="(item, i) in dropdownItems" :key="i">
-                    <VListItem
-                      v-if="item.show !== false"
-                      variant="plain"
-                      :base-color="item.props.color"
-                      @click="item.props.click"
-                    >
+                    <VListItem v-if="item.show !== false" :base-color="item.props.color" @click="item.props.click">
                       <template #prepend>
                         <VIcon :icon="item.props.prependIcon" />
                       </template>

src/components/cards/WorkflowTaskCard.vue

@@ -206,47 +206,37 @@ const resolveProgress = (item: Workflow) => {
               <VIcon icon="mdi-dots-vertical" />
               <VMenu activator="parent" close-on-content-click>
                 <VList>
-                  <VListItem variant="plain" base-color="primary" @click="handleEdit(workflow)">
+                  <VListItem base-color="primary" @click="handleEdit(workflow)">
                     <template #prepend>
                       <VIcon icon="mdi-note-edit" />
                     </template>
                     <VListItemTitle>编辑任务</VListItemTitle>
                   </VListItem>
-                  <VListItem
-                    v-if="workflow.current_action"
-                    variant="plain"
-                    base-color="info"
-                    @click="handleRun(workflow, false)"
-                  >
+                  <VListItem v-if="workflow.current_action" base-color="info" @click="handleRun(workflow, false)">
                     <template #prepend>
                       <VIcon icon="mdi-play-speed" />
                     </template>
                     <VListItemTitle>继续执行</VListItemTitle>
                   </VListItem>
-                  <VListItem
-                    v-if="workflow.current_action"
-                    variant="plain"
-                    base-color="info"
-                    @click="handleRun(workflow, true)"
-                  >
+                  <VListItem v-if="workflow.current_action" base-color="info" @click="handleRun(workflow, true)">
                     <template #prepend>
                       <VIcon icon="mdi-replay" />
                     </template>
                     <VListItemTitle>重新执行</VListItemTitle>
                   </VListItem>
-                  <VListItem v-else variant="plain" base-color="info" @click="handleRun(workflow, true)">
+                  <VListItem v-else base-color="info" @click="handleRun(workflow, true)">
                     <template #prepend>
                       <VIcon icon="mdi-run" />
                     </template>
                     <VListItemTitle>立即执行</VListItemTitle>
                   </VListItem>
-                  <VListItem variant="plain" base-color="warning" @click="handleReset(workflow)">
+                  <VListItem base-color="warning" @click="handleReset(workflow)">
                     <template #prepend>
                       <VIcon icon="mdi-restore-alert" />
                     </template>
                     <VListItemTitle>重置任务</VListItemTitle>
                   </VListItem>
-                  <VListItem variant="plain" base-color="error" @click="handleDelete(workflow)">
+                  <VListItem base-color="error" @click="handleDelete(workflow)">
                     <template #prepend>
                       <VIcon icon="mdi-delete" />
                     </template>