AccessControls::Catalog#search_builder doesn't pass arguments

[jcoyne]

In 0.2.0. the processor_chain argument is not passed to the superclass.

https://github.com/projectblacklight/blacklight-access_controls/blob/v0.2.0/lib/blacklight/access_controls/catalog.rb#L11

This is not a problem in 0.3.0, because Blacklight 6 does not have an argument to search_builder