Keep jobs of attuned interfaces in the network when their target updates

[rubensworks]

Backport of #250 to 1.20.

Targets such as furnaces notify their neighbours whenever their contents change. PartTypeInterfaceCraftingAttuned.onBlockNeighborChange unregistered the interface from the crafting network on each of these notifications, and only registered it again on the interface's next part update. In between, the interface's crafting jobs were missing from the network's dependency graph. Jobs depending on them were then reported as missing ingredients, and the re-registration duplicated their dependency edges (#249).

Attuned interfaces now only re-register when their target gained or lost its recipe handler, or exposes other recipes than the ones that were last read.

Tested with ./gradlew build on JDK 17. The game test from #250 is not included, as this branch has no game tests.

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https://claude.ai/code/session_01C5iUzweRYoCkKB5bvJdH8Y

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[rubensworks]

coverage/coveralls is red with a 0.07% coverage drop. The drop is real, and it comes from this PR. The new hasTargetChanged() method has no coverage on this branch: it only runs on neighbour updates of an attuned interface's target, and this branch has no game tests, where that is tested on 1.21 (#250). Covering it here would need a unit test that mocks a part state, a target and a recipe handler. I don't think that's worth its code for an 8-line method that #250 already tests in game. The build, including unit tests, passed.

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