Do not create object initializers for tuples

[ds5678]

Problem

Resolves #3576

Solution

• Any comments on the approach taken, its consistency with surrounding code, etc.
• Which part of this PR is most in need of attention/improvement?
• At least one test covering the code changed

[siegfriedpammer]

You beat me to it! 😆 I was just adding your test case and starting to look into it. Thanks a lot!