SCRIPTS: Fix Koru-Moru for not accepting Aspagalos for SMN AF2

as well as some other trades.
"if(count == 4" was the only part that needed changed. It was checking slot count looking to be sure 4 slots were filled. Since Aspagalos stacks it doesn't occupy 4 slots, but 1, causing that check to fail.

Breaking the else's into their own if's isn't needed.