Detect and report macro kind mismatches early, and more precisely

This eliminates the case in `failed_to_match_macro` to check for a
function-like invocation of a macro with no function-like rules.

Instead, macro kind mismatches now result in an unresolved macro, and we
detect this case in `unresolved_macro_suggestions`, which now carefully
distinguishes between a kind mismatch and other errors.

This also handles cases of forward-referenced attributes and cyclic
attributes.

Expand test coverage to include all of these cases.

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