Opening `CodeReview` on repository with several merge requests fails with formatting

[balpert89]

the stacktrace received:

vim.schedule callback: ...are/nvim/lazy/codereview.nvim/lua/codereview/mr/list.lua:34: attempt to concatenate a userdata value
stack traceback:
	...are/nvim/lazy/codereview.nvim/lua/codereview/mr/list.lua:34: in function 'format_mr_preview'
	...im/lazy/codereview.nvim/lua/codereview/picker/snacks.lua:12: in function <...im/lazy/codereview.nvim/lua/codereview/picker/snacks.lua:3>
	...nvim/lazy/codereview.nvim/lua/codereview/picker/init.lua:49: in function 'dispatch'
	...nvim/lazy/codereview.nvim/lua/codereview/picker/init.lua:53: in function 'pick_mr'
	.../share/nvim/lazy/codereview.nvim/lua/codereview/init.lua:30: in function <.../share/nvim/lazy/codereview.nvim/lua/codereview/init.lua:29>

    ● codereview.nvim 0.85ms  CodeReview
        dir     ~/.local/share/nvim/lazy/codereview.nvim
        url     https://github.com/afewyards/codereview.nvim
        version 1.36.0
        tag     v1.36.0
        branch  main
        commit  722542e

[afewyards]

thanks! will look into this in the coming days. very busy atm

[afewyards]

Can you verify?