uninstallation of 7zip lead to missing Whonix meta package

I revceived this message from whonix check today. Did I accidentally delete something important? Show I be worrying?

If possible, how do I check what did am I missing and what to do to reinstall it? thanks for reading

============= message ==================

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WARNING: Whonix Meta Packages Test Result: Whonix-Workstation detected, but the meta package whonix-workstation is not installed. Did you accidentally uninstall it?
See also: https://www.whonix.org/wiki/Whonix_Debian_Packages
If you know what you are doing, feel free to disable this check. Create a file /etc/whonix.d/50_whonixcheck_user and add:
whonixcheck_skip_functions+=" check_packages "


Did you uninstall any packages?

Did you read https://www.whonix.org/wiki/Whonix_Debian_Packages already?

thank you for getting back. The only package that I can remember uninstalled is 7-zip. Is that the issue?

Most likely, yes.

sudo apt-get remove p7zip-full
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
  anon-shared-desktop-kde p7zip-full whonix-gateway

Is there a reason this happens to remove whonix-gateway which is not related to p7zip?

Same thing happened to apparmor where removing it meant removing almost all default whonix dependencies and components.

Technical reasons. Explained on this page:

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