ENYO-3082: Revert "ENYO-3451: commented-out porject switch as suggested in JIRA"

This reverts commit f8c6722ab5378dd08088013c1880081d007219e0.
ENYO-3082: call Deimos projectSelected directly in Deimos ...

... this avoid involving Ares with an event
ENYO-3082: use (lot of) callbacks to trigger Designer switch after designerFrame load