DCOM-254: [GH-338] Short getter should work with associations

[doctrinebot]

Jira issue originally created by user @doctrinebot:

This issue is created automatically through a Github pull request on behalf of goetas:

Url: #338

Message:

[doctrinebot]

Comment created by @doctrinebot:

A related Github Pull-Request [GH-338] was closed:
#338

[ostrolucky]

Just adding reference to this PR which should solve this doctrine/orm#1241