Core/Guild: Add guid of gm and guildname to log when an item its deposit on guildbank.

Change GM xxxxxx (Account: x) deposit item: Plain Letter (Entry: 8383 Count: 1) to guild bank (Guild ID: x) to GM xxxxxx (Guid: y) (Account: x) deposit item: Plain Letter (Entry: 8383 Count: 1) to guild bank named: xxxxx (Guild ID: x)