UNIT_FLAG_REMOVE_CLIENT_CONTROL (formerly UNIT_FLAG_DISABLE_MOVE) is a client-only feature that should not be used for NPC scripting. All applications of this flag in scripts/ have been replaced with applications/removals of the UNIT_STATE_ROOT state.
Closes#17311
* Adjustment to Player::SetViewpoint to allow for Mind Vision "hops".
* Dynamic objects should not be a valid viewpoint for spells like Mind Vision.
* Dynamic objects should not be a valid viewpoint for spells like Mind Vision.
* Removed redundant TYPEMASK_PLAYER check.
* Moved SetSeer outside of if statement.