Fixes #32822 - Job templates and resource picker

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

Fixes #31284 - template input registry (#8130)

Introduce template input registry.
Allow new input types to be registered to the TemplateInput.

Allows API params, UI form, validation and Resolver for every input.

Fixes #30934 - improve template invocation_form inputs

Using `react_form_input` helper, that was introduced in 810504a13c
for rendering template invocation react inputs.

Hides all the input type implementations into a one helper method
to hide the implementation differences between React and Rails implemented inputs.

Fixes #28214 - Disable all locked template input fields

Some template input fields were not properly disabled for locked templates, causing different UI for different fields

Fixes #30603 - replace mount_react_component in templates helper

Fixes #29464 - plain inputs can be hidden

Some inputs can be sensitive. Users typing such values would prefer to
have the value hidden in the form. The sensitive information can be a
password, private key or general multiline text. Therefore we aren't
limitting the input to type=password, but use text area with hiding...

Fixes #11367 - Default values for the template inputs

Fixes #27662 - template inputs - adding field

Fixes #26080 - Add autocomplete and date to report template (#6531)

Fixes #25102 - introduce template inputs

This adds the formal template inputs to all templates. It's heavily
based on current implementation from remote execution plugin.