Copy query object in _build_query()
Copy query object in _build_query()

The before and after parameters are popped out from a copied query,
so the original query dict remains unchanged

happybelly/annotator-store,nobita-isc/annotator-store,nobita-isc/annotator-store,nobita-isc/annotator-store,ningyifan/annotator-store,nobita-isc/annotator-store,openannotation/annotator-store