fix(ui): always convert notify fields to strings#712

JosephKav merged 1 commit intomasterrelease-argus/Argus:masterfrom

708-bug-when-using-a-generic-webhook-and-url_fields-query-varsrelease-argus/Argus:708-bug-when-using-a-generic-webhook-and-url_fields-query-varsCopy head branch name to clipboard