Protected fields pointer-permissions support (#5951)

* moved whitelisting of own user to remove conflict with custom classes and * permission

* added new pointer-perm regex to permissions

* added pointer-permissions support

* added tests

* fixed typo

* fixed typo 2

* added tests using find operation

* renamed protectedFields pointerPerm to userField

* decoupled readUserFields from CLP and removed readUser from protectedFields before querying

* updated tests

Author: Dobbias