Increase performance of project select dropdown

app/assets/javascripts/project_select.js

@@ -62,6 +62,7 @@ const projectSelect = () => {
                   with_shared: this.withShared,
                   include_subgroups: this.includeProjectsInSubgroups,
                   order_by: 'similarity',
+                  simple: true,
                 },
                 projectsCallback,
               );

changelogs/unreleased/ph-groupCreateMergeRequestPerformanceImprovement.yml

+---
+title: Increase load time of project select dropdowns
+merge_request: 61117
+author:
+type: performance