fix: hide scroll bar to reduce screen clutter

Author: devvaannsh

src/styles/Extn-TabBar.less

@@ -30,14 +30,14 @@
 }
 
 .phoenix-tab-bar::-webkit-scrollbar {
-    height: 0.25rem;
+    display: none;
 }
 
 .overflow-button,
 .overflow-button-2 {
     display: flex;
     align-items: center;
-    height: 2rem;
+    height: 2.1rem;
     padding: 0 0.5rem;
     cursor: pointer;
     position: relative;