Fix deprecation warnings about legacy_connection_handling not being supported from Rails 6.1
Fix deprecation warnings about legacy_connection_handling not being supported from Rails 6.1

brian-kephart/camaleon-cms,owen2345/camaleon-cms,owen2345/camaleon-cms,brian-kephart/camaleon-cms,owen2345/camaleon-cms,brian-kephart/camaleon-cms