Updated images' dimensions

As per review

app/views/layouts/nav/sidebar/_profile.html.haml

@@ -3,7 +3,7 @@
     .context-header
       = link_to profile_path, title: _('Profile Settings') do
         %span.avatar-container.s32.settings-avatar
-          = image_tag avatar_icon_for_user(current_user, 40), class: "avatar s32 avatar-tile js-sidebar-user-avatar", alt: current_user.name, data: { testid: 'sidebar-user-avatar' }
+          = image_tag avatar_icon_for_user(current_user, 32), class: "avatar s32 avatar-tile js-sidebar-user-avatar", alt: current_user.name, data: { testid: 'sidebar-user-avatar' }
         %span.sidebar-context-title= _('User Settings')
     %ul.sidebar-top-level-items
       = nav_link(path: 'profiles#show', html_options: {class: 'home'}) do

app/views/shared/nav/_scope_menu_body.html.haml

 = link_to scope_menu.link, **scope_menu.container_html_options do
   %span.avatar-container.rect-avatar.s32.project-avatar
-    = source_icon(scope_menu.container, alt: scope_menu.title, class: 'avatar s32 avatar-tile', width: 40, height: 40)
+    = source_icon(scope_menu.container, alt: scope_menu.title, class: 'avatar s32 avatar-tile', width: 32, height: 32)
   %span.sidebar-context-title
     = scope_menu.title