修复菜单图标缺少的prop属性

ruoyi-ui/src/views/system/menu/index.vue

@@ -128,7 +128,7 @@
             </el-form-item>
           </el-col>
           <el-col :span="24" v-if="form.menuType != 'F'">
-            <el-form-item label="菜单图标">
+            <el-form-item label="菜单图标" prop="icon">
               <el-popover
                 placement="bottom-start"
                 width="460"