Make SimulationOptions.copyFrom prefer matches based on exact match of

the configuration id.

core/src/net/sf/openrocket/simulation/SimulationOptions.java

@@ -404,6 +404,10 @@ public class SimulationOptions implements ChangeSource, Cloneable {
 		} else {
 			
 			if (src.rocket.hasMotors(src.motorID)) {
+				// First check for exact match:
+				if (this.rocket.isFlightConfigurationID(src.motorID)) {
+					this.motorID = src.motorID;
+				} else {
 					// Try to find a closely matching motor ID
 					MotorDescriptionSubstitutor formatter = Application.getInjector().getInstance(MotorDescriptionSubstitutor.class);
 					
@@ -419,6 +423,7 @@ public class SimulationOptions implements ChangeSource, Cloneable {
 					}
 					
 					this.motorID = matchID;
+				}
 			} else {
 				this.motorID = null;
 			}