Offline build impossible

### Apache NetBeans version

Apache NetBeans 16

### What happened

You can't build NB without internet because of errors, for example:

https://gist.github.com/tbw777/15452e09e6b39080ca50589574913ece
https://gist.github.com/tbw777/ac80cd1ebb162e8d87e4faa454c5fdc0

UPD 27.10.2023
origin/master d0186227
https://gist.github.com/tbw777/78abce84d18002e8a19cfdb1853f15ea

Tested on: origin/master:31028d28

### How to reproduce

1. Turn of internet
2. Run ant

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

No / Don't know

### Operating System

windows 10

### JDK

17

### Apache NetBeans packaging

Other

### Anything else

_No response_

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

No

### Code of Conduct

Yes

Reproduce the failure by turning off internet access and running ant on the reported Apache NetBeans revision. Read the errors in the linked gists and compare the reported origin/master revisions; done means the NetBeans build completes successfully while offline.

Written by the indexing model from the issue text.