release-23.1: parser: validate privilege name when parsing #109706
Merged
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Backport 1/1 commits from #109595 on behalf of @rafiss.
/cc @cockroachdb/release
Now we differentiate between parsing a privileges name from user input versus from a system table. This allows us to validate names, but still backport names to older branches without causing errors.
No release note, since the user-facing change here is just a better error message.
fixes #109549
fixes #109559
Release note: None
Release justification: low risk bug fix