Search should compare only the lowercase versions of the project names

CHANGELOG

@@ -111,6 +111,7 @@ v 8.12.0 (unreleased)
   - Use default clone protocol on "check out, review, and merge locally" help page URL
   - API for Ci Lint !5953 (Katarzyna Kobierska Urszula Budziszewska)
   - Allow bulk update merge requests from merge requests index page
+  - Project search API is now agnostic to casing
 
 v 8.11.6 (unreleased)
 

lib/api/projects.rb

@@ -430,7 +430,7 @@ module API
       get "/search/:query" do
         ids = current_user.authorized_projects.map(&:id)
         visibility_levels = [ Gitlab::VisibilityLevel::INTERNAL, Gitlab::VisibilityLevel::PUBLIC ]
-        projects = Project.where("(id in (?) OR visibility_level in (?)) AND (name LIKE (?))", ids, visibility_levels, "%#{params[:query]}%")
+        projects = Project.where("(id in (?) OR visibility_level in (?)) AND (LOWER(name) LIKE LOWER((?)))", ids, visibility_levels, "%#{params[:query]}%")
         sort = params[:sort] == 'desc' ? 'desc' : 'asc'
 
         projects = case params["order_by"]