[8.5.0] nondep (repo_name=None) doesn't work for rules_swift in MODULE.tools

[bazel-io]

Forked from #27441

[bazel-io]

Cherry-pick was attempted but there were merge conflicts in the following file(s). Please resolve manually.

src/main/java/com/google/devtools/build/lib/bazel/bzlmod/Selection.java
src/test/java/com/google/devtools/build/lib/bazel/bzlmod/BazelModuleResolutionFunctionTest.java

cc: @bazelbuild/triage

[iancha1992]

Cherry-picked in #27478