feat: setting block data on FallingBlock

[isuniverseok-ua]

Problem

Skript’s block data expression does not support Bukkit 'FallingBlock' entities. Users must spawn a falling block with an itemtype to carry the desired data and cannot change it afterward through the expression.

Solution

Extended 'ExprBlockData' to accept entities so FallingBlock can be targeted. Added getters, setters for the same.

Testing Completed

Local build completed successfully, no unit/integration test needed coz the issue is small and just need targeted extension using existing Bukkit API and was validated via compilation.

Supporting Information

No breaking changes expected; existing behavior for blocks and displays is unchanged. Version gating for displays remains intact.

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Completes: fixes #8258
Related: none

[isuniverseok-ua]

@sovdeeth these CI build failures are unrelated to the change right?, i was not running network platform tests on my forked branch

[APickledWalrus]

These CI build failures are unrelated to the change right?, i was not running network platform tests on my forked branch

There are ongoing GitHub issues that are likely the cause of the failures. We can rerun the tests later when GitHub service is restored/stable.

[isuniverseok-ua]

These CI build failures are unrelated to the change right?, i was not running network platform tests on my forked branch

There are ongoing GitHub issues that are likely the cause of the failures. We can rerun the tests later when GitHub service is restored/stable.

cool

[Absolutionism]

Need to add a test to ensure your addition works, and continues to work in the future.,
You can create a new test structure inside the ExprBlockData.sk test file