Only unload the library when no NativeScript objects exist if the reloadable flag is true. If it is false it is likely the library does other things and can't be unloaded

modules/gdnative/nativescript/nativescript.cpp

@@ -1728,7 +1728,7 @@ void NativeScriptLanguage::unregister_script(NativeScript *script) {
 			library_script_users.erase(S);
 
 			Map<String, Ref<GDNative>>::Element *G = library_gdnatives.find(script->lib_path);
-			if (G) {
+			if (G && G->get()->get_library()->is_reloadable()) {
 				G->get()->terminate();
 				library_gdnatives.erase(G);
 			}