PLT-217 - Improving horizontal scrollbar in LHS menu

web/sass-files/sass/partials/_headers.scss

@@ -145,6 +145,8 @@
 				li a {
 					padding: 3px 20px;
 					color: #555;
+					text-overflow: ellipsis;
+					overflow: hidden;
 				}
 			}
 			.dropdown__icon {

web/sass-files/sass/partials/_sidebar--left.scss

@@ -12,7 +12,10 @@
     }
     .dropdown-menu {
         max-height: 300px;
-        overflow: auto;
+        overflow-x: hidden;
+        overflow-y: auto;
+        max-width: 200px;
+        width: 200px;
     }
     .search__form {
         margin: 0;