[dialog_field_tag_control_spec.rb] Fix .split
[dialog_field_tag_control_spec.rb] Fix .split

This was updated in:

  https://github.com/ManageIQ/manageiq-automation_engine/pull/484

So now we are splitting on `"\x1F"` and not `","`.

jrafanie/manageiq,ManageIQ/manageiq,mzazrivec/manageiq,agrare/manageiq,NickLaMuro/manageiq,jrafanie/manageiq,mzazrivec/manageiq,agrare/manageiq,jrafanie/manageiq,NickLaMuro/manageiq,agrare/manageiq,kbrock/manageiq,ManageIQ/manageiq,ManageIQ/manageiq,NickLaMuro/manageiq,kbrock/manageiq,agrare/manageiq,mzazrivec/manageiq,ManageIQ/manageiq,NickLaMuro/manageiq,kbrock/manageiq,jrafanie/manageiq,mzazrivec/manageiq,kbrock/manageiq