Feature: new product registration, part 2 - covering remaining of the DSL methods

[aalves08]

Is your feature request related to a problem? Please describe.

This tracks the continuation of the work done in #16046 with the following points:

• add support for headers
• cover mapGroup DSL method -> regExp/ID to remap group display names in the side-menu (keep as internal)
• cover ignoreGroup DSL method -> don't display a given group nav (keep as internal)
• cover mapType DSL method -> rename a specific type to a given name/label
• cover ignoreType DSL method -> don't display a specific type on the side nav
• cover hideBulkActions DSL method -> bool to control the display of bulk actions for a given resource page
• cover moveType DSL method -> move a resource-type page to a given group (keep as internal)

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