[TECHNICAL SUPPORT] LPS-49461 Profile pictures are missing in Chat #ensure backward comp.!

https://issues.liferay.com/browse/LPS-49461

Hi Nate,

I made the changes (lipusz@7111d3e) you requested in https://github.com/natecavanaugh/liferay-plugins/pull/266#issuecomment-53306195
Hope this looks good now. Sorry for the inconveniences.

Thanks,
Tibor

/cc @NorbertKocsis