Why doesn't Netbeans give access to the code editor for the clipboard manager?

Question

NetBeans

Good afternoon. I use CLCL as a clipboard manager (an old program, but very convenient with its minimal weight and capabilities). When I try to insert something from the manager - I get a response from CLCL - "Access denied".
That is, NetBeans blocks attempts to insert something from the system's "non-native" buffer. I understand that this has its own security logic. Interested in the question: what option is responsible for such security, how to disable it?
I know that Netbeans has its own buffer manager plugin, but it is extremely inconvenient and only works within NetBeans. Tell me, how to overcome the resistance of NetBeans from pasting into the editor by an external program?