docs: fixed gap between table of contents

- added css to remove the gap

-fixed padding for the menu mobile icon

JIRA: DP-2904

docs/assets/scss/breadcrumbs.scss

@@ -34,3 +34,20 @@
         }
     }
 }
+// Fix the gap on sidebar - media query for breadcrumbs
+@media only screen and (min-width: 991px) {
+    .td-main .gd-breadcrumb {
+        display: none;
+    }
+}
+
+@media only screen and (max-width: 990px) {
+    .td-main .gd-breadcrumb {
+        display: flex;
+        padding-top: 145px;
+    }
+
+    .col-xl-3.td-sidebar.d-print-none {
+        padding-top: 0;
+    }
+}

docs/assets/scss/menu.scss

@@ -53,7 +53,7 @@
 
     &__mobile-icon {
         position: fixed;
-        top: $header-first-nav-height;
+        top: $header-first-nav-height-desktop;
         display: flex;
         justify-content: center;
         align-items: center;