Revert "perf: nav style"

This reverts commit 95b0653.

Author: ZhaoJiSen

src/app/elements/nav/nav.component.scss

@@ -4,18 +4,12 @@
   }
 }
 
-:host {
-  display: block;
-  height: 30px;
-}
-
 .nav {
   display: flex;
-  height: 30px;
-  box-sizing: border-box;
   justify-content: space-between;
   background-color: var(--el-nav-bg-color);
   font-weight: 400;
+  padding-bottom: 1px;
 
   .ant-menu-horizontal > .ant-menu-submenu {
     top: 0;

src/app/pages/main/main.component.scss

@@ -42,6 +42,11 @@
   cursor: col-resize;;
 }
 
+elements-nav {
+  height: 30px;
+}
+
+
 nz-splitter-panel .as-split-area > p {
   padding: 5px;
 }
@@ -143,4 +148,4 @@ nz-splitter-panel {
 //     min-width: 71px !important;
 //   }
 // }
-}
+}

src/sass/ant.less

@@ -8,8 +8,7 @@
 
 .ant-menu-submenu.ant-menu-submenu-placement-bottom,
 .ant-menu-submenu.ant-menu-submenu-popup.ant-menu-submenu-placement-bottomLeft {
-  // Slightly overlap the trigger so slow pointer movement cannot cross a hover gap.
-  top: -1px !important;
+  top: 1px !important;
 }
 
 .ant-select {