I'm trying to get the `img2sixel` function to work from a terminal inside of the vim.

Outside of vim, the image ("Hey") appears inline as expected and wanted:

[![enter image description here][1]][1]

However, this does not work from within vim, but no error messages is thrown by `img2sixel`:

[![enter image description here][2]][2]

Remarks:

* wezterm 20240203-110809-5046fc22

* img2sixel 1.10.3

* xterm-256color

* NVIM v0.10.0, Build type: Release, LuaJIT 2.1.1716656478

  [1]: https://i.sstatic.net/DHNri54E.png
  [2]: https://i.sstatic.net/xVhuhrci.png