add performance logging for folder actions button

# if log performance info on Stem more actions

# set in log4j2.xml: log4j.logger.edu.internet2.middleware.grouper.util.PerformanceLogger = INFO

# {valueType: "boolean", required: true}

grouper.log.performance.info.on.StemUiMoreActions = true

2022-03-01T03:39:22,077: [http-nio-8400-exec-8] INFO  UiV2Stem.populateMoreActionsButton(3649) - [] - performanceLogFor: StemUiMoreActions, sqlQueries_durationMs: 111, sqlQueries_count: 25, post_favorites_elapsedMs: 164, post_templates_elapsedMs: 407, post_manage_elapsedMs: 412, post_admin_elapsedMs: 479, took_elapsedMs: 479