Merge pull request #8760 from opf/revert-8709-sidebar-menu-scrollable

Revert " [33690] wiki after navigate on item in sidebar, the sidebar reset to top and lose the view of focus item"

app/views/layouts/base.html.erb

@@ -149,7 +149,6 @@ See docs/COPYRIGHT.rdoc for more details.
         <h1 class="hidden-for-sighted"><%= t(:label_main_menu) %></h1>
         <main-menu-resizer></main-menu-resizer>
         <div id="menu-sidebar">
-          <div class="main-menu-wrapper">
           <%= main_menu %>
           <%= content_for :main_menu %>
           <%= call_hook :view_layouts_base_main_menu %>
@@ -160,7 +159,6 @@ See docs/COPYRIGHT.rdoc for more details.
           </div>
         </div>
       </div>
-      </div>
     <% end %>
     <div class="content-overlay"></div>
     <div id="content-wrapper" class="<%= initial_classes %>">

frontend/src/global_styles/layout/_main_menu.sass

@@ -68,18 +68,12 @@ $menu-item-line-height: 30px
       overflow: auto
       @include styled-scroll-bar
 
-    .main-menu-wrapper
-      display: flex
-      flex-direction: column
-      height: 100%
-
   a:focus
     color: var(--main-menu-font-color)
       
   ul
     margin: 0
     padding: 0
-    overflow-y: auto
 
     // -------------------- ALL menu items ---------------------------
     li