Fix language-drop style when in left nav

Author: chalin

assets/scss/_sidebar-tree.scss

@@ -39,7 +39,8 @@
       list-style: none;
     }
 
-    &.ul-0, ul {
+    &.ul-0,
+    ul {
       padding: 0;
       margin: 0;
     }
@@ -87,14 +88,9 @@
     }
   }
 
-  .dropdown {
-    a {
-      color: var(--bs-tertiary-color);
-    }
-
-    .nav-link {
-      padding: 0 0 1rem;
-    }
+  .dropdown .nav-link {
+    padding-left: 1.5rem;
+    margin-bottom: 0.5rem;
   }
 
   & > .td-sidebar-nav__section {