`delta` pager option `--detect-dark-light` not working.

[andradei]

Describe the bug
Using delta as a pager, it will default to dark theme unless using delta --light,
and event --detect-dark-light always is ignored. Also, delta auto-detects dark/light terminal colors by default and omitting --light/--dark from lazygit config.yml still defaults to dark theme pager.

To Reproduce

lazygit/config.yml

gui:
  nerdFontsVersion: "3"
git:
  paging:
    colorArg: always
    pager: delta --detect-dark-light always --paging never

gitconfig

; ...
[delta]
    navigate = true
    line-numbers = true
    side-by-side = true
    whitespace-error-style = 22 reverse
    ; could also have `detect-dark-light = always` and lazygit is not picking it

Expected behavior
lazygit uses the delta behavior of auto-detecting dark/light theme.

Screenshots

Notice dark theme on the pager area of lazygit

Version info:

❯ lazygit --version
commit=v0.50.0, build date=2025-05-04T07:59:01Z, build source=binaryRelease, version=0.50.0, os=linux, arch=amd64, git version=2.49.0
_Run `git --version` and paste the result here_

❯ git version
git version 2.49.0

[pricci1]

+1 It would be great to support delta --detect-dark-light=always

Header
Delta's dark on Kitty's light:
Delta's light on Kitty's dark:
Delta's light on Kitty's light:

For now I just settle with delta --light, that is usable, tough a bit bright when in dark theme