Move remaining _XCellRangeReferrer tests to C++ and partly fix #i84656.

Change-Id: I77cc8550888f460a6ae265816907a19a81cbe871
Reviewed-on: https://gerrit.libreoffice.org/55732Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Jens Carl <j.carl43@gmx.de>