[silvereyes]

Steps to reproduce:

• Log in on a character with a quest item book in inventory. Invitation to Orsinium works well for testing.
• Open inventory and click the quest items tab
• Read a quest item book. EVENT_SHOW_BOOK will be raised properly.
• Close the book with the Alt key.

Expected results:

• EVENT_HIDE_BOOK should be raised when the book is closed, just like it is with reading bookcases.

Actual results:

• EVENT_HIDE_BOOK does not get raised.