In search autocomplete show only groups and projects you are member of

For big instances search autocomplet is flooded with groups you have no
access to and insternal/public projects you don't care. It affects way
how easily you can go to group/project you are actually member of

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

CHANGELOG

@@ -28,6 +28,7 @@ v 8.5.0 (unreleased)
   - Support Akismet spam checking for creation of issues via API (Stan Hu)
   - Improve UI consistency between projects and groups lists
   - Add sort dropdown to dashboard projects page
+  - In seach autocomplete show only groups and projects you are member of
 v 8.4.3
   - Increase lfs_objects size column to 8-byte integer to allow files larger

app/helpers/search_helper.rb

@@ -70,7 +70,7 @@ module SearchHelper
   # Autocomplete results for the current user's groups
   def groups_autocomplete(term, limit = 5)
-    Group.search(term).limit(limit).map do |group|
+    current_user.authorized_groups.search(term).limit(limit).map do |group|
       {
         label: "group: #{search_result_sanitize(group.name)}",
         url: group_path(group)
@@ -80,7 +80,7 @@ module SearchHelper
   # Autocomplete results for the current user's projects
   def projects_autocomplete(term, limit = 5)
-    ProjectsFinder.new.execute(current_user).search_by_title(term).
+    current_user.authorized_projects.search_by_title(term).
       sorted_by_stars.non_archived.limit(limit).map do |p|
       {
         label: "project: #{search_result_sanitize(p.name_with_namespace)}",