Pitcher plants interfere with enchanting setups, unlike other two block tall plants

Very closely relates to MC-261613. Also relates to MC-261617, MC-261616 and MC-255846.

The bug

Pitcher plants placed between enchanting tables and bookshelves which power up said enchanting tables will stop the enchanting table from being powered by said bookshelf.

How to fix

Add pitcher plants to the #minecraft:replaceable block tag.