Fixes #32822 - Job templates and resource picker

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

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 #32540 - host_param_(true|false)? cleanup

let the `default_value` denote what we "read" by default from the host
(in the case the host doesn't have the param) and then compare it with
`true`/`false` (depending on the func) as done with the existing...

Fixes #31059 - regenerate snapshots without environment

Fixes #31235 - drop Puppetclass models

Drops Puppetclass models and their usage.
Extracted in https://github.com/theforeman/foreman_puppet_enc/pull/81
Tests extracted in:
- hostgroup - https://github.com/theforeman/foreman_puppet_enc/pull/85

Fixes #31056 - drop SmartProxy Puppet feature

Drops testing with puppet feature, Puppet Proxy status.
Puppet proxy multiple update on host.

Extracted in: https://github.com/theforeman/foreman_puppet_enc/pull/70

Fixes #32918 - Host registration - Update packages

New parameter `update_packages` for update of
all packages on the host when registered

Refs #32981 - add snapshot tests for debian and ubuntu

Fixes #32490 - proper permission for ansible (#8630)

The file `/root/ansible_provisioning_call.sh` needs to be runnable.

Co-authored-by: Aldrey Galindo <aldreygalindo@gmail.com>

Fixes #28221 - Adding passing of template scope for snippet rendering

In current implementation templates can be much complex by snippet.
Reusable pieces of template code that should be in the same scope like
their templates but they are not. This PR tries to solve that.