Update docs: fix missing unused import in `escape-hatches.md` and `separating-events-from-effects.md`#7696

satyam-seth wants to merge 1 commit intoreactjs:mainreactjs/react.dev:mainfrom

satyam-seth:fix-missing-unused-importsatyam-seth/react.dev:fix-missing-unused-importCopy head branch name to clipboard