feat(components): 在图片组件中添加长按显示菜单功能

components-diy/diy-channel-video.vue

@@ -24,7 +24,7 @@
 		<!-- 跳转式视频播放 -->
 		<view v-else @tap.stop="playVideo" class="video-container">
 			<view class="video-cover-wrap" :style="[coverStyle]">
-				<image class="video-cover" :src="$util.img(value.coverUrl)" mode="aspectFill"></image>
+				<image class="video-cover" :src="$util.img(value.coverUrl)" mode="aspectFill" show-menu-by-longpress></image>
 				<view class="channel-play-btn" v-if="showPlayBtn" :style="[playBtnStyle]">
 					<view class="play-icon-css"></view>
 				</view>