Merge master to feature/string-interp (#9619)

* Moved fsharpqa/Libraries/Core/Unchecked test cases to NUnit (#9576)

* Moved fsharpqa/Libraries/Core/Reflectiontest cases to NUnit (#9611)

* Migrated PreComputedTupleConstructor01.fs test case

* Migrated PreComputedTupleConstructor02.fs test case

* Migrated DU.fs and Record.fs test cases

* Allow notebook to discover location of shared framework (#9596)

Co-authored-by: Thorsten Reichert <ThorstenReichert@users.noreply.github.com>
Co-authored-by: Kevin Ransom (msft) <codecutter@hotmail.com>