Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: ngarnsworthy

TeamCode/src/main/java/org/firstinspires/ftc/teamcode/OpModes/BackupOpMode.java

@@ -32,8 +32,10 @@ public void initialize() {
                 Constants.Drivetrain.brMotorName
         );
         drivetrain.setDefaultCommand(new UserDrive(drivetrain, driverOp));
+        register(drivetrain);
 
         shooter = new Shooter(hardwareMap, Constants.Shooter.shooterMotorName);
+        register(shooter);
         coOp.getGamepadButton(GamepadKeys.Button.A).whileHeld(
                 new RunShooter(shooter, Constants.Shooter.defaultSpeed));
     }