chore(react-tree): improve High Contrast on focus indicator#33779

bsunderhus wants to merge 1 commit intomicrosoft:mastermicrosoft/fluentui:masterfrom

bsunderhus:react-tree/chore--improve-HC-on-focus-indicatorbsunderhus/fluentui:react-tree/chore--improve-HC-on-focus-indicatorCopy head branch name to clipboard