chore(eslint-plugin): fixed no-unnecessary-condition complaints#7837

JoshuaKGoldberg merged 4 commits intotypescript-eslint:maintypescript-eslint/typescript-eslint:mainfrom

JoshuaKGoldberg:lint-enable-no-unnecessary-condition-eslint-pluginJoshuaKGoldberg/typescript-eslint:lint-enable-no-unnecessary-condition-eslint-pluginCopy head branch name to clipboard