Make sure it also works for ActionController::Parameters

ee/lib/gitlab/insights/validators/params_validator.rb

@@ -20,7 +20,7 @@ module Gitlab
           end
 
           if params[:projects]
-            unless params[:projects].is_a?(Hash)
+            unless params[:projects].is_a?(Hash) || params[:projects].is_a?(ActionController::Parameters)
               raise InvalidProjectsError, "Invalid `:projects`: `#{params[:projects]}`. It should be a hash."
             end
 

ee/spec/controllers/groups/insights_controller_spec.rb

@@ -8,7 +8,8 @@ describe Groups::InsightsController do
   set(:project) { create(:project, :private) }
   set(:insight) { create(:insight, group: parent_group, project: project) }
   set(:user) { create(:user) }
-  let(:query_params) { { type: 'bar', query: { issuable_type: 'issue', collection_labels: ['bug'] } } }
+  let(:query_params) { { type: 'bar', query: { issuable_type: 'issue', collection_labels: ['bug'] }, projects: projects_params } }
+  let(:projects_params) { { only: [project.id, project.full_path] } }
 
   before do
     stub_licensed_features(insights: true)