Refactor page titles and dialog close buttons across multiple views

- Replaced instances of `DialogCloseBtn` with `VDialogCloseBtn` in TransferHistoryView, AccountSettingAbout, AccountSettingSystem, and UserProfileView for consistency.
- Introduced a new component `PageContentTitle` to standardize page titles in SiteCardListView, SubscribeListView, UserListView, and WorkflowListView, improving layout and readability.
- Added keyword filtering functionality in SubscribeListView and SubscribeShareView to enhance user experience during searches.
- Added a new site logo image to the assets.

src/components/dialog/PluginConfigDialog.vue

@@ -92,7 +92,7 @@ onBeforeMount(async () => {
 <template>
   <VDialog scrollable max-width="60rem" :fullscreen="!display.mdAndUp.value">
     <VCard :title="`${props.plugin?.plugin_name} - 配置`" class="rounded-t">
-      <DialogCloseBtn @click="emit('close')" />
+      <VDialogCloseBtn @click="emit('close')" />
       <VDivider />
       <VCardText v-if="isRefreshed">
         <FormRender v-for="(item, index) in pluginFormItems" :key="index" :config="item" :model="pluginConfigForm" />