[inspector] fix app refresh logic to capture refreshes that don't immediately re-inject
[inspector] fix app refresh logic to capture refreshes that don't immediately re-inject

marionettejs/marionette.inspector,onelovelyname/marionette.inspector,onelovelyname/marionette.inspector,marionettejs/marionette.inspector,onelovelyname/marionette.inspector,marionettejs/marionette.inspector