fix for kWidget readyCallback to work with mixed kWidget and object embeds.
fix for kWidget readyCallback to work with mixed kWidget and object
embeds.

safarijv/mwEmbed,FlixMaster/mwEmbed,matsuu/mwEmbed,slash851/mwEmbed,SVSG/mwEmbed,vladm3/mwEmbed,SVSG/mwEmbed,matsuu/mwEmbed,joanpuigsanz/mwEmbed,safarijv/mwEmbed,vladm3/mwEmbed,slash851/mwEmbed,alexmilk/mwEmbed,matsuu/mwEmbed,DBezemer/mwEmbed,FlixMaster/mwEmbed,kaltura/mwEmbed,joanpuigsanz/mwEmbed,tanyaLibatter/mwEmbed,safarijv/mwEmbed,vladm3/mwEmbed,omridevk/mwEmbed,DBezemer/mwEmbed,tanyaLibatter/mwEmbed,slash851/mwEmbed,FlixMaster/mwEmbed,omridevk/mwEmbed,bordar/mwEmbed,DBezemer/mwEmbed,kaltura/mwEmbed,abaylis/mwEmbed,DBezemer/mwEmbed,vladm3/mwEmbed,panda-os/mwEmbed,joanpuigsanz/mwEmbed,omridevk/mwEmbed,bordar/mwEmbed,bordar/mwEmbed,panda-os/mwEmbed,SVSG/mwEmbed,kaltura/mwEmbed,alexmilk/mwEmbed,SVSG/mwEmbed,abaylis/mwEmbed,tanyaLibatter/mwEmbed,alexmilk/mwEmbed,abaylis/mwEmbed,omridevk/mwEmbed,slash851/mwEmbed,panda-os/mwEmbed,panda-os/mwEmbed,alexmilk/mwEmbed,bordar/mwEmbed,FlixMaster/mwEmbed,joanpuigsanz/mwEmbed,safarijv/mwEmbed,matsuu/mwEmbed,abaylis/mwEmbed,tanyaLibatter/mwEmbed,kaltura/mwEmbed