DetailSplitter : Optimize tag extraction.
DetailSplitter : Optimize tag extraction.

The tag prefix is fixed so we don't need a regex. We know they are unique as well, since they came from primvar names, so we don't need an intermediate set.

This reduced extraction of an ~10 million poly production asset from 80s to 65s

appleseedhq/cortex,appleseedhq/cortex,appleseedhq/cortex