SPIGOT-1975: Fix falling blocks when height > 1

nms-patches/EntityFallingBlock.patch

@@ -18,6 +18,15 @@
                      this.world.setAir(blockposition);
                  } else if (!this.world.isClientSide) {
                      this.die();
+@@ -84,7 +86,7 @@
+ 
+                     if (BlockFalling.i(this.world.getType(new BlockPosition(this.locX, this.locY - 0.009999999776482582D, this.locZ)))) {
+                         this.onGround = false;
+-                        return;
++                        // return; // CraftBukkit
+                     }
+ 
+                     this.motX *= 0.699999988079071D;
 @@ -93,7 +95,13 @@
                      if (iblockdata.getBlock() != Blocks.PISTON_EXTENSION) {
                          this.die();