fix(ast): treat `TSEmptyBodyFunctionExpression` as expression in Function::is_expression#14945

Boshen merged 2 commits intooxc-project:mainoxc-project/oxc:mainfrom

liangmiQwQ:fix/regard-TSEmptyBodyFunctionExpression-as-experssionliangmiQwQ/oxc:fix/regard-TSEmptyBodyFunctionExpression-as-experssionCopy head branch name to clipboard