[bugfix] Fix concurrency issue in XQueryContext.ContextUpdateListener Closes https://github.com/eXist-db/exist/issues/2185
[bugfix] Fix concurrency issue in XQueryContext.ContextUpdateListener
Closes https://github.com/eXist-db/exist/issues/2185

RemiKoutcherawy/exist,RemiKoutcherawy/exist,RemiKoutcherawy/exist,RemiKoutcherawy/exist,RemiKoutcherawy/exist,RemiKoutcherawy/exist