ENYO-3061: do not build every input streams upfront, but upon need
ENYO-3061: do not build every input streams upfront, but upon need

* Otherwise it breaks with huge apps to build.
* Cherry-picked from ENYO-3285.

Enyo-DCO-1.1-Signed-off-by: Francois-Xavier KOWALSKI <francois-xavier.kowalski@hp.com>

mcanthony/ares-project,enyojs/ares-project,mcanthony/ares-project,enyojs/ares-project,mcanthony/ares-project,enyojs/ares-project,mcanthony/ares-project,enyojs/ares-project,enyojs/ares-project,mcanthony/ares-project,mcanthony/ares-project