When you place a chiseled bookshelf with a comparator coming off from it, there is no signal. But if you were to add and remove a book from it, it keeps it signal until you replace it.
How to Reproduce:
1. Connect a comparator to a chiseled bookshelf
2. Place and remove a single book or more
3. The signal stays
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We're tracking this issue in MC-256486, so this ticket is being resolved and linked as a duplicate.
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