Check button's inputs before looking for records

[ZitaNemeckova]

Solves #5238

Go to Automation -> Automate ->Customization -> Buttons -> try to save/add one that has type Ansible Playbook without Playbook Catalog Item

Before:
"Nothing" happens

with error in log

 : Error caught: [ActiveRecord::RecordNotFound] Couldn't find ServiceTemplate without an ID
/Users/zita/.rbenv/versions/2.4.4/lib/ruby/gems/2.4.0/gems/activerecord-5.0.7.1/lib/active_record/relation/finder_methods.rb:456:in `find_with_ids'
/Users/zita/.rbenv/versions/2.4.4/lib/ruby/gems/2.4.0/gems/activerecord-5.0.7.1/lib/active_record/relation/finder_methods.rb:66:in `find'
/Users/zita/.rbenv/versions/2.4.4/lib/ruby/gems/2.4.0/gems/activerecord-5.0.7.1/lib/active_record/querying.rb:3:in `find'
/Users/zita/.rbenv/versions/2.4.4/lib/ruby/gems/2.4.0/gems/activerecord-5.0.7.1/lib/active_record/core.rb:151:in `find'
/Users/zita/Desktop/ManageIQ/manageiq-ui-classic/app/controllers/application_controller/buttons.rb:946:in `button_set_playbook_record'
/Users/zita/Desktop/ManageIQ/manageiq-ui-classic/app/controllers/application_controller/buttons.rb:890:in `button_set_record_vars'
/Users/zita/Desktop/ManageIQ/manageiq-ui-classic/app/controllers/application_controller/buttons.rb:590:in `ab_button_save'
/Users/zita/Desktop/ManageIQ/manageiq-ui-classic/app/controllers/application_controller/buttons.rb:486:in `button_create_update'
/Users/zita/Desktop/ManageIQ/manageiq-ui-classic/app/controllers/application_controller/buttons.rb:190:in `button_update'

After:

@miq-bot add_label bug, hammer/yes, gaprindashvili/yes, automation/automate

[miq-bot]

Checked commit ZitaNemeckova@e1360cb with ruby 2.3.3, rubocop 0.52.1, haml-lint 0.20.0, and yamllint 1.10.0
1 file checked, 0 offenses detected
Everything looks fine. ⭐