[hooks] Delete some properties cached on entities schema on schema updates
cubicweb.schema add two additional @cachedproperty that should be cleared when
in-memory schema is modified. This may leads to e.g. attempt to delete some
already dropped relations.
Related to #16130960
from cubicweb.cwconfig import CubicWebConfiguration
def includeme(config):
appid = config.registry.settings['cubicweb.instance']
cwconfig = CubicWebConfiguration.config_for(appid)
config.registry['cubicweb.config'] = cwconfig
config.registry['cubicweb.repository'] = repo = cwconfig.repository()
config.registry['cubicweb.registry'] = repo.vreg