[clang-tidy] add support for Demorgan conversions to readability-simplify-bool-expr

Adds support for recognising and converting boolean expressions that can be simplified using De Morgans Law.

This is a different implementation to D124650.

Fixes https://github.com/llvm/llvm-project/issues/55092

Reviewed By: LegalizeAdulthood

Differential Revision: https://reviews.llvm.org/D124806