Fixes the BlockStateBlock init for a BlockState that isn't placed

[TheLimeGlass]

Problem

[21:49:18 ERROR]: #!#! Caused by: java.lang.IllegalStateException: The blockState must be placed to call this method
[21:49:18 ERROR]: #!#!     at com.google.common.base.Preconditions.checkState(Preconditions.java:513)
[21:49:18 ERROR]: #!#!     at org.bukkit.craftbukkit.block.CraftBlockState.requirePlaced(CraftBlockState.java:349)
[21:49:18 ERROR]: #!#!     at org.bukkit.craftbukkit.block.CraftBlockState.getBlock(CraftBlockState.java:200)
[21:49:18 ERROR]: #!#!     at org.bukkit.craftbukkit.block.CraftBlockState.getBlock(CraftBlockState.java:26)
[21:49:18 ERROR]: #!#!     at Skript-2.14.1.jar//ch.njol.skript.util.BlockStateBlock.<init>(BlockStateBlock.java:56)

Solution

Make sure that BlockState#isPlaced is valid before running a raw initialization call. BlockStateBlock is designed to operate like a block without having the block actually placed. Having this in the init makes the class useless.

Testing Completed

It no error anymore

Supporting Information

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Completes: none
Related: none
AI assistance: none