[wpilib] Throw on nonexistent SimDevice name in SimDeviceSim constructor (#5041)

Previously this would just create a object that was otherwise non-functional.

wpilibj/src/main/java/edu/wpi/first/wpilibj/simulation/SimDeviceSim.java

@@ -25,6 +25,9 @@ public class SimDeviceSim {
    */
   public SimDeviceSim(String name) {
     this(SimDeviceDataJNI.getSimDeviceHandle(name));
+    if (m_handle == 0) {
+      throw new IllegalArgumentException("No sim device exists with name '" + name + "'.");
+    }
   }
 
   /**