Steps to reproduce

In my prompt I write

spack env activate

and I begin to write the name of my env, I push then the TAB key to complete the whole name of my env, but instead spack change it to write "concretize".

Error message

No response

Information on your system

• Spack: 0.21.0.dev0 (d80bc70)
• Python: 3.10.12
• Platform: linux-ubuntu22.04-skylake
• Concretizer: clingo

General information

• I have run spack debug report and reported the version of Spack/Python/Platform
• I have searched the issues of this repo and believe this is not a duplicate
• I have run the failing commands in debug mode and reported the output