init-dom-clear-modules - correct bug in retrieving moduleCode
init-dom-clear-modules - correct bug in retrieving moduleCode

The value of `evt.added` is not an array but an object.

Signed-off-by: Pang Yan Han <22594c345857f664c61cd411f607c4d40a9d4af9@gmail.com>

yanhan/cljs-nusmods,yanhan/cljs-nusmods,yanhan/cljs-nusmods