* clean up error handling in postDashboard and remove UserDisplayDTO
* replace GetUserUID with GetUID and GetNamespacedUID, enforce namespace constant type
* lint fix
* lint fix
* more lint fixes
* RBAC: Move metadata to own file
* RBAC: Rename test files
* RBAC: Add wildcard structure and helper function to generate wildcards
from prefix
* RBAC: Refactor filter to use WildcardsFromPrefix
* RBAC: Refactor GetResourceMetadata to use WildcardsFromPrefix