Add a button, somewhere in C-p probably, to create a patch from outside of a submodule

An inconvinience

I have cloned boost repo.

I made a change for a lib.

I wanted to get a patch.

But there's a nuance: all libs in boost's repo are wrapped into submodules.

So, lazygit does not even allow to do patch for it, saying something like:

• Ctrl+P : "no patch created yet, stage plz"
• Space at submodule i.e. at staging outside of submodule: "repos can only stage submoduless' commits"

current workaround

git diff --submodule=diff

Additional context

lazygit --version commit=, build date=, build source=unknown, version=0.65.0, os=linux, arch=amd64, git version=2.55.0