[openmp] [clang] [Clang][OpenMP] Fix ordering of processing of map clauses when mapping a struct. (PR #72410)

[Gheorghe-Teodor Bercea via cfe-commits]

doru1004 wrote:

> This being in clang instead seems like a good change. Are there no CodeGen tests changed? We should add one if so. Probably just take your `libomptarget` test and run `update_cc_test_checks` on it with the arguments found in other test files.

Just added the test.

https://github.com/llvm/llvm-project/pull/72410