Fix `-M` and `--dep` splitting on every = instead of just the first
Before this commit, -Mfoo=bar=baz would be incorrectly split into mod_name: `foo` and root_src_orig: `bar`
After this commit, -Mfoo=bar=baz will be correctly split into mod_name: `foo` and root_src_orig: `bar=baz`
Closes #25059
76e2764eb1Ryan Liptak committed on 9/2/2025, 8:35:01 PM· committed by Alex Rønne Petersenparentdcddbca