feat(遮罩层弹窗): 针对遮罩层弹窗和页面返回键层级冲突的问题进行处理

src/views/Ranking/GamesKing/index.vue

@@ -32,7 +32,7 @@
         <!-- 状态栏占位区域（仅在APP中显示） -->
         <div style="height: 30px"></div>
 
-        <button v-show="!maskLayerShow" class="ranking-back-btn" @click="handlePageBack">
+        <button v-if="!pageBackHidden" class="ranking-back-btn" @click="handlePageBack">
           <img v-smart-img class="flipImg" :src="backIcon" alt="" />
         </button>
 
@@ -1048,9 +1048,12 @@ const dailyPopUpShow = ref(false)
 const maskLayerShow = computed(() => {
   return helpShow.value || dailyPopUpShow.value
 })
+const pageBackHidden = computed(() => {
+  return maskLayerShow.value
+})
 
 const handlePageBack = () => {
-  if (maskLayerShow.value) return
+  if (pageBackHidden.value) return
   console.log('home back')
   closePage()
 }