Update PathingStuckHandler.java

[armele]

Closes #11643

Changes proposed in this pull request

• Placed a simple check in PathingStuckHandler.tryUnstuck() to guard against the possibility of one of the retry paths attempting to index path node -1

Testing - prior to the fix I received:

Caused by: java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 33
        at java.base/java.util.Arrays$ArrayList.get(Arrays.java:4266) ~[?:?] {}
        at TRANSFORMER/minecraftnet.minecraft.world.level.pathfinder.Path.getNodePos(Path.java:97) ~[server-1.21.1-20240808.144430-srg.jar%23324!/:?] {re:classloading}
        at TRANSFORMER/minecoloniescom.minecolonies.core.entity.pathfinding.navigation.PathingStuckHandler.tryUnstuck(PathingStuckHandler.java:373)

clearly indicating the location. Post fix this did not occur.

Review please

[github-actions]

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[armele]

Please remove the "Untested" label.