Console permissions dialog must close jcr session

In org.hippoecm.frontend.plugins.console.menu.permissions.PermissionsDialog#PermissionsDialog a new JCR session is created but not closed. This leads to stacktraces like:

[INFO] [talledLocalContainer] 02.09.2016 15:19:38 WARN Finalizer [SessionImpl.finalize:1332] Unclosed session detected. The session was opened here:
[INFO] [talledLocalContainer] java.lang.Exception: Stack Trace
[INFO] [talledLocalContainer] at org.apache.jackrabbit.core.SessionImpl.<init>(SessionImpl.java:226)
[INFO] [talledLocalContainer] at org.apache.jackrabbit.core.SessionImpl.<init>(SessionImpl.java:243)
[INFO] [talledLocalContainer] at org.apache.jackrabbit.core.XASessionImpl.<init>(XASessionImpl.java:106)
[INFO] [talledLocalContainer] at org.hippoecm.repository.jackrabbit.XASessionImpl.<init>(XASessionImpl.java:67)
[INFO] [talledLocalContainer] at org.hippoecm.repository.jackrabbit.RepositoryImpl.createSessionInstance(RepositoryImpl.java:216)
[INFO] [talledLocalContainer] at org.apache.jackrabbit.core.RepositoryImpl.createSession(RepositoryImpl.java:995)
[INFO] [talledLocalContainer] at org.apache.jackrabbit.core.RepositoryImpl.login(RepositoryImpl.java:1540)
[INFO] [talledLocalContainer] at org.apache.jackrabbit.core.SessionImpl.impersonate(SessionImpl.java:744)
[INFO] [talledLocalContainer] at org.hippoecm.repository.impl.SessionDecorator.impersonate(SessionDecorator.java:154)
[INFO] [talledLocalContainer] at org.hippoecm.frontend.plugins.console.menu.permissions.PermissionsDialog.<init>(PermissionsDialog.java:99)