fix(runtime): restore sys.modules['__main__'] after run-mode kernel#9313

jacobcbeaudin wants to merge 2 commits intomarimo-team:mainmarimo-team/marimo:mainfrom

jacobcbeaudin:fix/restore-main-module-run-modejacobcbeaudin/marimo:fix/restore-main-module-run-modeCopy head branch name to clipboard