fix splicing behavior around water

src/main/java/baritone/pathing/path/PathExecutor.java

@@ -35,6 +35,7 @@ import baritone.pathing.movement.MovementHelper;
 import baritone.pathing.movement.movements.*;
 import baritone.utils.BlockStateInterface;
 import baritone.utils.Helper;
+import net.minecraft.block.BlockLiquid;
 import net.minecraft.init.Blocks;
 import net.minecraft.util.Tuple;
 import net.minecraft.util.math.BlockPos;
@@ -351,14 +352,22 @@ public class PathExecutor implements IPathExecutor, Helper {
      * @return Whether or not it was possible to snap to the current player feet
      */
     public boolean snipsnapifpossible() {
-        if (!ctx.player().onGround) {
+        if (!ctx.player().onGround && !(ctx.world().getBlockState(ctx.playerFeet()).getBlock() instanceof BlockLiquid)) {
+            // if we're falling in the air, and not in water, don't splice
             return false;
+        } else {
+            // we are either onGround or in liquid
+            if (ctx.player().motionY < 0) {
+                // if we are strictly moving downwards (not stationary)
+                // we could be falling through water, which could be unsafe to splice
+                return false; // so don't
+            }
         }
         int index = path.positions().indexOf(ctx.playerFeet());
         if (index == -1) {
             return false;
         }
-        pathPosition = index;
+        pathPosition = index; // jump directly to current position
         clearKeys();
         return true;
     }