Merge branch 'fix_group_links_404' into 'master'

fix group links 404

### What does this MR do?
This MR should fix the 404 page, when creating a new group links without selecting any group from the group dropdown list.

### What are the relevant issue numbers?
Closes #20766

See merge request !6155

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/api/groups.rb b/lib/api/groups.rb
index 953fa474e88..bfb89475025 100644
--- a/lib/api/groups.rb
+++ b/lib/api/groups.rb
@@ -6,6 +6,8 @@ module API
     resource :groups do
       # Get a groups list
       #
+      # Parameters:
+      #   skip_groups (optional) - Array of group ids to exclude from list
       # Example Request:
       #  GET /groups
       get do
@@ -16,6 +18,7 @@ module API
                   end
 
         @groups = @groups.search(params[:search]) if params[:search].present?
+        @groups = @groups.where.not(id: params[:skip_groups]) if params[:skip_groups].present?
         @groups = paginate @groups
         present @groups, with: Entities::Group
       end