修复二级列表展开时边线位置不正确的bug

dist/css/mui.css

@@ -1821,6 +1821,9 @@ input[type="submit"]:enabled:active, input[type="submit"].mui-active:enabled,
   margin-top: 15px;
 }
 
+.mui-table-view-cell.mui-collapse .mui-table-view:after {
+  left: 15px;
+}
 .mui-table-view-cell.mui-collapse > .mui-navigate-right:after, .mui-table-view-cell.mui-collapse > .mui-push-right:after {
   content: '\e581';
 }

examples/hello-mui/css/mui.css

@@ -1821,6 +1821,9 @@ input[type="submit"]:enabled:active, input[type="submit"].mui-active:enabled,
   margin-top: 15px;
 }
 
+.mui-table-view-cell.mui-collapse .mui-table-view:after {
+  left: 15px;
+}
 .mui-table-view-cell.mui-collapse > .mui-navigate-right:after, .mui-table-view-cell.mui-collapse > .mui-push-right:after {
   content: '\e581';
 }

sass/table-views.scss

@@ -354,6 +354,9 @@
 
 //collapse
 .#{$namespace}table-view-cell.#{$namespace}collapse{
+    .#{$namespace}table-view:after{
+        left:15px;
+    }
     //二级列表默认为向下箭头；
     >.#{$namespace}navigate-right:after, >.#{$namespace}push-right:after {
         content: '\e581';