Module Java Refactoring threw java.lang.IllegalStateException: java.lang.NullPointerException.

### Apache NetBeans version

Apache NetBeans 13

### What happened

Refactor->Move of one java source file to another project.
[messages.log](https://github.com/apache/netbeans/files/8283964/messages.log)

### How to reproduce

Refactor->Move a java source file from one project to another project and different target Source Package.

### Did this work correctly in an earlier version?

Apache NetBeans 12.6

### Operating System

windows 10, version 21H2, OS Build 19044.1586

### JDK

1.8.0_312; OpenJDK 64-Bit Server VM 25.312-b07; Amazon.com Inc.

### Apache NetBeans packaging

Apache NetBeans provided installer

### Anything else

Upgraded to Netbeans 13 today and moved 6 java sources to another project. Error occurred for all moves. However, move succeeded.

### Are you willing to submit a pull request?

No

### Code of Conduct

Yes

Start with the attached messages.log and reproduce the Refactor->Move operation from one project and Source Package to another. Investigate the move workflow for the reported IllegalStateException and NullPointerException; done means moving the Java source succeeds without throwing the error.

Written by the indexing model from the issue text.