OR-1065 Disable Angular digest cycle when repainting main video canvas
OR-1065 Disable Angular digest cycle when repainting main video canvas

This should bring a huge perf improvment:

with this patch Angular does 0 digest when using the conference and not "doing"
anything on the page (clicks, mouse move)

heroandtn3/openpaas-esn,heroandtn3/openpaas-esn,heroandtn3/openpaas-esn