Add ability to accept omit argument for Ruby IRB

[brand-it]

When calling a setter this makes IRB it passed an argument that wants to truncate or omit some of the info. This is ideal for IRB, but HIRB throws an exception

https://github.com/ruby/irb/blob/457502a7468399ba3a176e5769c63a49c0e69e95/lib/irb.rb#L586

> value = true
/Users/brandit/.asdf/installs/ruby/3.2.2/lib/ruby/gems/3.2.0/gems/hirb-0.7.3/lib/hirb/view.rb:186:in `output_value': wrong number of arguments (given 1, expected 0) (ArgumentError)