Filter out property change event for created and updated and cacheStrategy
Currently these events (created and updated) are fired by the CdmPreDataChange Listener which results in setting titleCaches back to null again. In some cases this leads to a situation where the titleCache is not saved correctly but null is stored instead.
This definetly happened in 1 test related to implementation for #9664.
It might also be the reason for #9649.
And of course it is not good for performance reasons.