refactor: aligned the icons in the tab

Author: devvaannsh

src/styles/Extn-TabBar.less

@@ -138,7 +138,7 @@
     opacity: 0.7;
     font-weight: normal;
     position: relative;
-    top: 0.1rem;
+    top: 0.05rem;
 }
 
 .tab.active {
@@ -200,7 +200,7 @@
     font-size: 1.5rem;
     position: absolute;
     left: 0.4rem;
-    top: 0.33rem;
+    top: 0.28rem;
 }
 
 .tab.dirty::before {