[commands] Test no-op behavior of scheduling a scheduled command (#4806)

wpilibNewCommands/src/main/java/edu/wpi/first/wpilibj2/command/CommandScheduler.java

@@ -217,8 +217,8 @@ public final class CommandScheduler implements NTSendable, AutoCloseable {
     // Do nothing if the scheduler is disabled, the robot is disabled and the command doesn't
     // run when disabled, or the command is already scheduled.
     if (m_disabled
-        || RobotState.isDisabled() && !command.runsWhenDisabled()
-        || isScheduled(command)) {
+        || isScheduled(command)
+        || RobotState.isDisabled() && !command.runsWhenDisabled()) {
       return;
     }