I don't know how the escape crept back in, but remove it for real (#528)

hydra-access-controls/app/models/hydra/access_controls/permission.rb

@@ -83,7 +83,7 @@ def build_agent(name, type)
     # however in order to ensure backward compatibility with already recorded values we are normalizing
     # the fragment here. See https://developer.mozilla.org/en-US/docs/Web/API/URL/hash
     def build_agent_resource(prefix, name)
-      [Agent.new(::RDF::URI.new("#{prefix}##{URI.encode(name)}").normalize!)]
+      [Agent.new(::RDF::URI.new("#{prefix}##{name}").normalize!)]
     end
 
     def build_access(access)