Changed "Assigned" to "Select a User" as combo default when no user is assigned to task
Changed "Assigned" to "Select a User" as combo default when no user is assigned to task

diegocortassa/TACTIC,Southpaw-TACTIC/TACTIC,diegocortassa/TACTIC,Southpaw-TACTIC/TACTIC,diegocortassa/TACTIC,Southpaw-TACTIC/TACTIC,Southpaw-TACTIC/TACTIC,diegocortassa/TACTIC,Southpaw-TACTIC/TACTIC,diegocortassa/TACTIC,diegocortassa/TACTIC,Southpaw-TACTIC/TACTIC