Updated Upstream (Paper)

Upstream has released updates that appears to apply and compile correctly

Paper Changes:
c8028d1c Fix data version check for ItemStack serialization (#3394)
9254a80a Fix race condition reintroduced in Prioritize class loader patch
6f196fe7 Add Raw Byte ItemStack Serialization
df43f828 Allow server startup for those poor people running <1G Xmx
3c9b65ef Fix cases where no-tick < tick view distance
72f89a07 Workaround for Client Lag Spikes (MC-162253)
3f941c0c Add option for console having all permissions
d2ae4658 Add permission for command blocks
9f8ae5cb Prioritise own classes where possible
74466412 Check portal restrictions when entering end gateways
fc9cf84d Fix NPE when temp ip bans expire (#3373)
16bd420d Add missing mob goals for API (#3367)
b5c4e2f6 Ensure no-tick view is not smaller than ticking VD
52564b1f Expand Pathfinding API with more options
dde65481 Fix usage of vanilla goals
7797aebe Drop Leads from nether portals - Fixes #3226
511b6bc2 Reduce MutableInt and Vec3d allocations, use ArrayDeque
84673141 Optimize NibbleArray to use pooled buffers
897dd2c8 Foundational work for Future Memory usage improvements
bb4002d8 Handle CraftPlayer#setSpectatorTarget better
4ae08959 Fix collision checks on spawning hanging entities and null on async chunk loads
c2f8d1ef Protect Bedrock and End Portal/Frames from being destroyed
827cc632 Updated Upstream (Bukkit/CraftBukkit/Spigot)
92f680ed Fix Pathfinding and obscure glitchy buggy 0 tick farms
7a7c4292 Optimize Pathfinder - Remove Streams / Optimized collections
fc917d16 Optimize Hoppers - Major performance improvement
14ad77c6 Fix PotionEffect API Ignoring Icon bug
eb3ce8a2 Fix EntityRaider picking up items when they shouldn't be able
1ea9ada0 Add a TELEPORT ticket when changing dimensions
8e9459ea Fix missing flag pass for isUrgent
7befec44 Potential bed api (#3339)
27945a6b Optimize WorldBorder collision checks and air
55e17a85 Wait for Async Tasks during shutdown
b5905256 Ensure Entity AABB's are never invalid
a054aa6f Properly remove Entities from current chunk
c894ddfd Fix teleporting onto a chunk line
57d6cc01 Send LOGIN protocol packets immediately - Fix disconnect during async prelogin
cd93e54d Don't use our modified chunk checks for collision in world gen
b4003ef1 Allow loading entities current chunk if needed to fix collision checks
e5f64896 Add Urgent API for Async Chunks API and use it for Async Teleport
ad8e59dc Ensure chunks loaded on respawn for suffocation check

patches/server/0044-Add-EntityPortalReadyEvent.patch

@@ -1,4 +1,4 @@
-From 25bbc9ac23524b9aa48af17f295ef5d60d90c834 Mon Sep 17 00:00:00 2001
+From 6b15e6d5c97e3bee4ce7d47a08679a5b73437a7e Mon Sep 17 00:00:00 2001
 From: William Blake Galbreath <Blake.Galbreath@GMail.com>
 Date: Sat, 11 Jan 2020 23:12:52 -0600
 Subject: [PATCH] Add EntityPortalReadyEvent
@@ -86,10 +86,10 @@ index 09c7c1318..6880cdd7f 100644
                      break;
                      // CraftBukkit start - add the block to our list
 diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
-index 3533dbcd5..b609808df 100644
+index 46bc91524..39bd34ab3 100644
 --- a/src/main/java/net/minecraft/server/Entity.java
 +++ b/src/main/java/net/minecraft/server/Entity.java
-@@ -169,9 +169,9 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+@@ -170,9 +170,9 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
      protected boolean af; public final boolean inPortal() { return this.af; } // Paper - OBFHELPER
      protected int ag;
      public DimensionManager dimension;
@@ -102,7 +102,7 @@ index 3533dbcd5..b609808df 100644
      private boolean invulnerable;
      protected UUID uniqueID;
      protected String am;
-@@ -2285,6 +2285,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+@@ -2287,6 +2287,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
                      this.world.getMethodProfiler().enter("portal");
                      this.ag = i;
                      this.portalCooldown = this.ba();
@@ -141,7 +141,7 @@ index f84dd6d9b..f50e9670b 100644
              }
          }
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index c4a09eda3..71719ce63 100644
+index afb6ad44a..75424bfbc 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -75,7 +75,7 @@ public class WorldServer extends World {