Internal terminal does not receive Escape key

1. Have an editor open.
2. Use Creator's internal bash-based terminal to open a file in vi.
3. Press "a" to start appending to a line in the file.
4. Type some characters.
   They appear in the terminal.
5. Press the Escape to quit the append mode.
   Focus moves to the editor. The terminal does not receive Escape. User can't exit vi.

If it's not feasible to catch the Escape key for the terminal, please consider having "Send Escape" on some button or menu like to VMs do.