Implement JellySquid's Entity Collision optimisations patch

This patch replaces the vanilla collision code for both block and entity collisions with faster implementations by JellySquid, used originally in her Lithium mod.

Optimizes Full Block voxel collisions, and removes streams from Entity collisions

Original code by JellySquid, licensed under GNU Lesser General Public License v3.0
you can find the original code on https://github.com/jellysquid3/lithium-fabric/tree/1.15.x/fabric (Yarn mappings)

Ported by
Co-authored-by: Zoutelande <54509836+Zoutelande@users.noreply.github.com>

Touched up by Aikar to keep previous paper optimizations

Spigot-Server-Patches/Fix-client-rendering-skulls-from-same-user.patch

@@ -29,7 +29,11 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 --- a/src/main/java/net/minecraft/server/PacketDataSerializer.java
 +++ b/src/main/java/net/minecraft/server/PacketDataSerializer.java
 @@ -0,0 +0,0 @@ public class PacketDataSerializer extends ByteBuf {
-                 CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack));
+             if (item.usesDurability() || item.o()) {
+                 // Spigot start - filter
+                 itemstack = itemstack.cloneItemStack();
+-                CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack));
++                //CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack)); // Paper - This is no longer needed due to NBT being supported
                  // Spigot end
                  nbttagcompound = itemstack.getTag();
 +                // Paper start
@@ -48,6 +52,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
              itemstack.setTag(this.l());
              // CraftBukkit start
              if (itemstack.getTag() != null) {
+-                CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack));
 +                // Paper start - Fix skulls of same owner - restore orig ID since we changed it on send to client
 +                if (itemstack.tag.hasKey("SkullOwnerOrig")) {
 +                    NBTTagCompound owner = itemstack.tag.getCompound("SkullOwner");
@@ -58,9 +63,10 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +                    itemstack.tag.remove("SkullOwnerOrig");
 +                }
 +                // Paper end
-                 CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack));
++                // CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack)); // Paper - This is no longer needed due to NBT being supported
              }
              // CraftBukkit end
+             return itemstack;
 diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java