### Motivation
When interact with default prompt I noticed that`env_name` has no color
and when you type command or see the output it mix with `env_name`
visually. Prompt is not highlighted when `env_name` has default color.
### Before
Output and env_name are visually mixed:
<img width="900" alt="image"
src="https://github.com/xonsh/xonsh/assets/1708680/c843388e-6e72-4fba-ab0f-6cd3fb023cd2">
### After
Output and env_name are visually distinct:
<img width="918" alt="image"
src="https://github.com/xonsh/xonsh/assets/1708680/09f45cd8-63d1-479a-bfab-c8063cf03aeb">
## For community
⬇️ **Please click the 👍 reaction instead of leaving a `+1` or 👍
comment**
---------
Co-authored-by: a <1@1.1>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
