[TB] Lockable Attributes

[mdacic01]

The ability for theming attributes within a parent theme to be locked so that sub-themes based on the parent theme retain the parent styling for the locked attributes. This is beneficial for keeping sub-themes on-brand.

Suggestion/Concern

Attributes cannot be locked within parent theme to be locked. This would be beneficial for keeping sub-themes on-brand.

Proposed Solution

allow for locking of attributes within a parent theme so that sub-themes based on the parent theme retain the parent styling for the locked attributes