QueryBox QUERY_CONNECTION_LOST -> MessageDialog + string

Change-Id: Id2bd1b509236f40fcb658933cfe6edd687330ac5
QueryBox QUERY_USERADMIN_DELETE_USER -> MessageDialog + string

Change-Id: Iedccb1ace9f74d92f09cc6ca23f9aaf004fa05f2
QueryBox QUERY_SAVE_TABLE_EDIT_INDEXES -> MessageDialog + string

Change-Id: I36e6d376936caa847e68a43f64c8fe892afba1ca