Revert "fix!: Remove the blocklyMenuItemHighlight CSS class and use the hover"#8800

gonfunko merged 1 commit intorc/v12.0.0RaspberryPiFoundation/blockly:rc/v12.0.0from

revert-8536-fix/8327-remove-blocklymenuitemhighlightRaspberryPiFoundation/blockly:revert-8536-fix/8327-remove-blocklymenuitemhighlightCopy head branch name to clipboard