Updated user seeder for the new username field.
Updated user seeder for the new username field.

Autodrop3d/autodrop3dServer,Autodrop3d/autodrop3dServer,Autodrop3d/autodrop3dServer,Autodrop3d/autodrop3dServer,SparkMakerspace/MakerSpaceMngSys,SparkMakerspace/MakerSpaceMngSys,SparkMakerspace/MakerSpaceMngSys,Autodrop3d/autodrop3dServer,SparkMakerspace/MakerSpaceMngSys,SparkMakerspace/MakerSpaceMngSys,SparkMakerspace/MakerSpaceMngSys,Autodrop3d/autodrop3dServer,Autodrop3d/autodrop3dServer,SparkMakerspace/MakerSpaceMngSys,Autodrop3d/autodrop3dServer,SparkMakerspace/MakerSpaceMngSys,SparkMakerspace/MakerSpaceMngSys,SparkMakerspace/MakerSpaceMngSys,Autodrop3d/autodrop3dServer,Autodrop3d/autodrop3dServer,Autodrop3d/autodrop3dServer