Issue #3331229 by pminf, chadhester, zshrestha, hardikpandya, _pratik_,...

Issue #3331229 by pminf, chadhester, zshrestha, hardikpandya, _pratik_, rogerpfaff, ultimike, xjm, mandclu, alexb7217: Use chaining for User::addRole() and ::removeRole()

(cherry picked from commit 8d512c2a)