Fix/dbml alias & primary key & note content bug

[Huy-DNA]

Summary

• Fix error message when alias is a duplicate.
• Allow alias to be the same as the same table's name
• Interpret primary key
• No longer normalize note content, left as-is.

Issue

(issue link here)

Lasting Changes (Technical)

• Additional check in TableValidator.
• Additional logic in TableInterpreter.
• Remove normalizeNoteContent.
• Testcases for these.

Checklist

Please check directly on the box once each of these are done

• Documentation (if necessary)
• Tests (integration test/unit test)
• Integration Tests Passed
• Code Review

[NQPhuc]

LGTM!