bug: colorscheme not loaded

[uwla]

Did you check the docs and existing issues?

• [X] I have read the docs
• [X] I have searched the existing issues

Neovim version (nvim -v)

v0.10.1

Operating system/version

ArchLinux

Describe the bug

Colorschemes for a given session are not restored.

What is the severity of this bug?

annoyance

Steps To Reproduce

1. Open a new session
2. Change the colorscheme with colorscheme
3. Close nvim
4. OPen the session again

Expected Behavior

With mksession, the colorscheme for a given session is restored.

I like to use distinct colorschemes for different projects because they fit better to that project and its programming language.