Fixes #32822 - Job templates and resource picker

New `resource` user input type for templates with
template macro `input_resource` returning the resource object

Fixes #32769 - Associate a VM via API to a compute resource

Fixes #32792 - Add update to ca when vmware cr is updated

Fixes #33048 - Add Associate VM to dropdown

Fixes #32963 - Load only present categories

This got accidently reverted by bad rebase in
3ff1fd27fa32f7a52ecd995417521b5b91c9a093.
I'm reapplying this.

Fixes #33197 - Show error message if credentials are wrong

Fixes #33033 - shell_escape template macro

New template macro `shell_escape` using
Ruby's `Shellwords.shellescape` for safe shell strings.

Use `shell_escape` for user input variables
in registration templates (`global` & `host_init`)

Fixes #29681 - Fixing bad regex for excluding facts

Foreman uses facts from many tools like Ansible or Puppet to gather
facts about hosts. These facts are also full of facts that foreman don't
care about. That's why Excluded facts setting exist. It has some bugs...

Fixes #33004 - Registration - Refresh subscription data

Fixes #32780 - Delete host params when register host