Fix hidden virtual assignment operator in Error from TimeError to fix the build#43
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Appears some new behavior in GCC 13 in Noble catches this case.
I think it's a name lookup problem relating to the default assignment operator generated for
TimeErrormaking it so that theError'svirtual void operator=isn't considered. By addingusing, we make it clear that the parent class operator should be considered.Also added explicit to the single-argument constructor per general best practice.
Tested
colcon build --packages-up-to ecl_coreand it built okay now with this change.