or_fun_call: lint method calls inside map_or first arg

[klensy]

blocked on #15073

Lint method calls inside map_or too, so for this, lint will be showed:

Some(4).map_or("asd".to_string().len() as i32, f);

previously it worked only for:

Some(4).map_or(slow_fun(), f);

https://play.rust-lang.org/?version=nightly&mode=debug&edition=2024&gist=bfcda42a6af446e69bc883a8b45eb13c

Sorry for multiple or_fun_call PRs.

changelog: [or_fun_call]: lint method calls inside map_or first arg

[klensy]

Okay, review last 3 commits please and I'll rebase this pr or #15073, depending on who will be first.

[rustbot]

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[llogiq]

I merged the other improvement, please rebase.

[klensy]

I merged the other improvement, please rebase.

done.

[llogiq]

Thank you!