message: Fix layout in paneldynamic for vue platform
diff: <template>
  <div>
  <survey-paneldynamicprogress v-if="question.isProgressTopShowing" :question="question" />
  - <div v-for="panel in renderedPanels" :class="css.question.mainRoot">
  + <div v-for="panel in renderedPanels">
  <survey-panel :question="panel" :css="css"/>
  <div v-if="!question.isReadOnly">
  <input type="button" v-if="question.canRemovePanel" :class="question.cssClasses.button" :value="question.panelRemoveText" @click="removePanelClick(panel)" />
  