fix: 解决使用透明渐变导航栏导致页面高度不正确的问题

src/platforms/h5/components/page/pageBody.vue

@@ -12,7 +12,7 @@ uni-page-wrapper {
   position: relative;
 }
 
-uni-page-head ~ uni-page-wrapper {
+uni-page-head[uni-page-head-type="default"] ~ uni-page-wrapper {
   height: calc(100% - 44px);
 }
 
@@ -28,7 +28,7 @@ uni-page-head ~ uni-page-wrapper {
   height: 50px;
 }
 
-.uni-app--showtabbar uni-page-head ~ uni-page-wrapper {
+.uni-app--showtabbar uni-page-head[uni-page-head-type="default"] ~ uni-page-wrapper {
   height: calc(100% - 44px - 50px);
 }
 

src/platforms/h5/components/page/pageHead.vue

 <template>
-  <uni-page-head>
+  <uni-page-head :uni-page-head-type="type">
     <div
       :style="{transitionDuration:duration,transitionTimingFunction:timingFunc,backgroundColor:bgColor,color:textColor}"
       :class="{'uni-page-head-transparent':type==='transparent'}"