Jigsaw block functionality doesn’t show parity with Java Edition

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⚠️ Please do not mark Unreleased Versions as affected. You don't have access to them yet.

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affects 1.19.80 as well

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It has been many years since jigsaw block has been updated

Still an issue in the latest 1.20.60 betas

Still an issue in the 1.20.70 builds

Preview/Beta 1.21.50 made Jigsaw blocks usable in behavior packs, they're still missing the generate button though in the GUI