Added header when generating schema for advanced filtering on HGrid for 20.0.x#16217

dkamburov merged 2 commits into20.0.xIgniteUI/igniteui-angular:20.0.xfrom

mtihova/fix-16214-20.x.0IgniteUI/igniteui-angular:mtihova/fix-16214-20.x.0Copy head branch name to clipboard