!1647 style: 修改菜单宽度为自适应，并为多个视图添加默认主题样式

Merge pull request !1647 from ir0nmax/next

Web/src/theme/element.scss

@@ -80,7 +80,7 @@
 // 默认样式修改
 .el-menu {
 	border-right: none !important;
-	width: 220px;
+	width: auto;
 }
 
 .el-menu-item,

Web/src/views/system/org/index.vue

@@ -1,6 +1,6 @@
 <template>
 	<div class="sys-org-container">
-		<splitpanes>
+		<splitpanes class="default-theme">
 			<pane size="20">
 				<OrgTree ref="orgTreeRef" @node-click="nodeClick" />
 			</pane>

Web/src/views/system/region/index.vue

@@ -1,6 +1,6 @@
 <template>
 	<div class="sys-region-container">
-		<splitpanes>
+		<splitpanes class="default-theme">
 			<pane size="20">
 				<RegionTree ref="regionTreeRef" @node-click="nodeClick" />
 			</pane>

Web/src/views/system/user/index.vue

@@ -1,6 +1,6 @@
 <template>
 	<div class="sys-user-container">
-		<splitpanes>
+		<splitpanes class="default-theme">
 			<pane size="20">
 				<OrgTree ref="orgTreeRef" @node-click="nodeClick" />
 			</pane>