fix first-occurrence highlighting
fix first-occurrence highlighting

[#81446420]

pivotal-devin-fallak/atc,utako/atc,utako/atc,zachgersh/atc,zachgersh/atc,simonjjones/atc,simonjjones/atc,zachgersh/atc,savaki/atc,simonjjones/atc,pivotal-devin-fallak/atc,savaki/atc,pivotal-devin-fallak/atc,savaki/atc,utako/atc,zachgersh/atc