RPV-401

Fix for security on MessageManager - moved some of the validation but the bug was in getConversation where a null conversation type could be seen by anyone.
Merge remote-tracking branch 'origin/develop' into develop
RPV-402

Fixed to make more generic.
Merge branch 'develop' into feature/sharing-thoughts-new
Sharing Thoughts
added non-anonymous patient info and unit to admin sharing thoughts view