Upstreaming valid changes from others (#4469)

* Fix nids for strcmp vs strncmp

Co-Authored-By: m33ts4k0z <3597723+m33ts4k0z@users.noreply.github.com>

* Fix sign_bit_set logic

Co-Authored-By: m33ts4k0z <3597723+m33ts4k0z@users.noreply.github.com>

* Fix IterateDirectory on mounts

IterateDirectory would just retrieve the base path when trying to iterate /app0, since GetHostPath for the other path types would still return the base path.

Co-Authored-By: m33ts4k0z <3597723+m33ts4k0z@users.noreply.github.com>

* Fix function resolves

If multiple modules export the same library and module, then we would only check the first one we find for the symbol. This can end up breaking the font library stack

Co-Authored-By: m33ts4k0z <3597723+m33ts4k0z@users.noreply.github.com>

* Update fs.cpp

Co-Authored-By: m33ts4k0z <3597723+m33ts4k0z@users.noreply.github.com>

* Oops

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Co-authored-by: m33ts4k0z <3597723+m33ts4k0z@users.noreply.github.com>