Add SafeWalk Min Depth Option Support

[LilyKensa]

Min Depth Option For Safe Walk Hack

In this pull request, I've added a Min depth option for the hack SafeWalk, making this hack better because you will no longer be sneaking on a stair, really annoying.

Note

I only made for Minecraft 1.20.1, most of the modpack is on this version I think.

Warning

I know nearly nothing about those anti-cheat mods/plugins and haven't tested any of them, so use at your own risk.
As far as I know, the modified version of SafeWalk is not suspicious at all, though

How It Works

How it originally worked:

1. In ClientPlayerEntityMixin.java, the hack add a condition to clipAtLedge() method, so whenever the hack is enabled, the player will always keep you on the ledge.
2. In SafeWalkHack.java, it checks if the adjusted (by Edge distance option) player bounding box is empty, if so, make the player sneak.

It's not gonna work if I only adjust the bounding box, because the player will still clip at ledge, checking the bounding box on clipAtLedge() will lead to another problem too: it would wait until the bounding box is emptied, but then it's too late, the player already leaved the ledge.

So, I must make a motion prediction, if bounding box + velocity is going straight to a ledge, then clip!

How it work, modified version:

1. Use the custom-height bounding box
2. If bounding box + velocity is empty, clip at ledge.
3. sneak, same condition as the original.

I also added a option named Motion prediction, it's the modifier of how much motion should be take as reference (But I don't know why, it does not differ a lot.)

Hope this helps!

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P.S. Wurst API is so great :)
P.S. Why spotless check :(

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