fix(chat): add the border for the file and align the undo icon#7068

zixlin7 merged 1 commit intoaws:feature/agentic-chataws/aws-toolkit-vscode:feature/agentic-chatfrom

Randall-Jiang:file_boarder_add_output_commandRandall-Jiang/aws-toolkit-vscode:file_boarder_add_output_commandCopy head branch name to clipboard