Run the `clang-format.bash` script to update all our C and C++ code to a
new style defined by `.clang-format`, now with "east const" enforcement.
Use `clang-format` version 18.
* If you reached this commit for a line in `git blame`, re-run the blame
operation starting at the parent of this commit to see older history
for the content.
* See the parent commit for instructions to rebase a change across this
style transition commit.
Issue: #26123
`matlab_wrapper2.cpp` failed to compile in one specific test configuration.
I've copied an odd workaround from `matlab_wrapper1.cpp`, which doesn't fail
to compile. I presume this workaround was meant to address this issue, but
can't verify this locally.