Update to Minecraft 1.21.4

By: md_5 <git@md-5.net>

paper-server/nms-patches/net/minecraft/world/level/block/BlockSponge.patch

@@ -26,7 +26,7 @@
  
 @@ -67,8 +75,10 @@
              if (blockposition1.equals(blockposition)) {
-                 return true;
+                 return BlockPosition.b.ACCEPT;
              } else {
 -                IBlockData iblockdata = world.getBlockState(blockposition1);
 -                Fluid fluid = world.getFluidState(blockposition1);
@@ -36,14 +36,14 @@
 +                // CraftBukkit end
  
                  if (!fluid.is(TagsFluid.WATER)) {
-                     return false;
+                     return BlockPosition.b.SKIP;
 @@ -78,27 +88,64 @@
                      if (block instanceof IFluidSource) {
                          IFluidSource ifluidsource = (IFluidSource) block;
  
 -                        if (!ifluidsource.pickupBlock((EntityHuman) null, world, blockposition1, iblockdata).isEmpty()) {
 +                        if (!ifluidsource.pickupBlock((EntityHuman) null, blockList, blockposition1, iblockdata).isEmpty()) { // CraftBukkit
-                             return true;
+                             return BlockPosition.b.ACCEPT;
                          }
                      }
  
@@ -52,7 +52,7 @@
 +                        blockList.setBlock(blockposition1, Blocks.AIR.defaultBlockState(), 3); // CraftBukkit
                      } else {
                          if (!iblockdata.is(Blocks.KELP) && !iblockdata.is(Blocks.KELP_PLANT) && !iblockdata.is(Blocks.SEAGRASS) && !iblockdata.is(Blocks.TALL_SEAGRASS)) {
-                             return false;
+                             return BlockPosition.b.SKIP;
                          }
  
 -                        TileEntity tileentity = iblockdata.hasBlockEntity() ? world.getBlockEntity(blockposition1) : null;
@@ -66,7 +66,7 @@
 +                        // CraftBukkit end
                      }
  
-                     return true;
+                     return BlockPosition.b.ACCEPT;
                  }
              }
 -        }) > 1;