MOBILE-2518 iframe: Fix handling _self links in iOS
MOBILE-2518 iframe: Fix handling _self links in iOS

reskit/moodlemobile,saman222/moodlemobile2,moodlehq/moodlemobile2,jleyva/moodlemobile2,jleyva/moodlemobile2,saman222/moodlemobile2,reskit/moodlemobile,jleyva/moodlemobile2,jleyva/moodlemobile2,moodlehq/moodlemobile2,reskit/moodlemobile,FMCorz/moodlemobile2,moodlehq/moodlemobile2,saman222/moodlemobile2,saman222/moodlemobile2,dpalou/moodlemobile2,moodlehq/moodlemobile2,reskit/moodlemobile,FMCorz/moodlemobile2,saman222/moodlemobile2,dpalou/moodlemobile2,reskit/moodlemobile,reskit/moodlemobile,dpalou/moodlemobile2,moodlehq/moodlemobile2,moodlehq/moodlemobile2