lxm--formitem，label位置适配必填样式--fix1

src/components/app-form-item/app-form-item.less

@@ -8,7 +8,8 @@
       }
   }
   .app-form-item-label {
-      padding: 6px 12px 6px 0px;
+      padding: 6px 10px 6px 0px;
+
   }
 }
 
@@ -27,13 +28,14 @@
 .app-form-item.label-left {
   .app-form-item-label {
       float: left;
+      text-align: right;
   }
 }
 
 .app-form-item.label-right {
   .app-form-item-label {
       float: right;
-      padding-left: 12px;
+      padding: 6px 0px 6px 10px;
   }
 }