refactor:优化视频拖拽效果

frontend/src/components/canvas/custom-component/DeVideo.vue

 <template>
   <el-row ref="mainPlayer">
-    <div v-if="this.element.videoLinks[this.element.videoLinks.videoType].sources[0].src" :class="{'move-bg':moveFlag}" class="player">
+    <div v-if="this.element.videoLinks[this.element.videoLinks.videoType].sources[0].src" class="player">
       <video-player
-        v-if="!moveFlag"
         ref="videoPlayer"
         class="vjs-custom-skin"
         :options="playerOptions"

frontend/src/components/canvas/custom-component/component-list.js

@@ -26,6 +26,7 @@ export const VIDEOLINKS = {
   videoType: 'web',
   web: {
     autoplay: true,
+    height: 300,
     muted: true,
     loop: true,
     controlBar: {
@@ -43,6 +44,7 @@ export const VIDEOLINKS = {
     sources: [{
       type: 'rtmp/mp4'
     }],
+    height: 300,
     techOrder: ['flash'],
     autoplay: false,
     controls: true,