#JC-1913:It is possible to delete topic with other user's posts without DELETE_OTHER_POSTS permission:
*Restricted topic deletion without DELETE_OTHER_POSTS if topic have more than one post
#JC-1913:It is possible to delete topic with other user's posts without DELETE_OTHER_POSTS permission:
*Added restriction on service layer
#JC-1913:It is possible to delete topic with other user's posts without DELETE_OTHER_POSTS permission:
*Delete topic button hidden from users which have no DELETE_OTHER_POSTS permission
Merge branch 'JC-1913.PossibleDeleteTopicWithoutDELETE_OTHER_POSTSPermission'