Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@6bb9dc6b Normalize and trim spaces in Player#performCommand (#12892)
PaperMC/Paper@840dd9e1 Fix dialog preconditions (#12895)
PaperMC/Paper@9ccc51df Fix legacy pearls forgetting owner on disconnect (#12884)
PaperMC/Paper@57c13137 Allow to change despawnInPeaceful (#12880)
PaperMC/Paper@a5763618  Add WorldDifficultyChangeEvent (#12471)
PaperMC/Paper@dbc367ba Keep non-container slots synced when in container view (#12881)

purpur-server/minecraft-patches/sources/net/minecraft/world/entity/Mob.java.patch

@@ -1,14 +1,14 @@
 --- a/net/minecraft/world/entity/Mob.java
 +++ b/net/minecraft/world/entity/Mob.java
-@@ -139,6 +_,7 @@
-     private BlockPos homePosition = BlockPos.ZERO;
+@@ -140,6 +_,7 @@
      private int homeRadius = -1;
      public boolean aware = true; // CraftBukkit
+     public net.kyori.adventure.util.TriState despawnInPeacefulOverride = net.kyori.adventure.util.TriState.NOT_SET; // Paper - allow changing despawnInPeaceful
 +    public int ticksSinceLastInteraction; // Purpur - Entity lifespan
  
      protected Mob(EntityType<? extends Mob> entityType, Level level) {
          super(entityType, level);
-@@ -284,6 +_,7 @@
+@@ -285,6 +_,7 @@
                  target = null;
              }
          }
@@ -16,7 +16,7 @@
          this.target = target;
          return true;
          // CraftBukkit end
-@@ -327,7 +_,27 @@
+@@ -328,7 +_,27 @@
          }
  
          profilerFiller.pop();
@@ -45,23 +45,23 @@
  
      @Override
      protected void playHurtSound(DamageSource source) {
-@@ -427,6 +_,7 @@
-             output.putBoolean("NoAI", this.isNoAi());
+@@ -433,6 +_,7 @@
+             output.putString("Paper.DespawnInPeacefulOverride", this.despawnInPeacefulOverride.name());
          }
-         output.putBoolean("Bukkit.Aware", this.aware); // CraftBukkit
+         // Paper end - allow changing despawnInPeaceful
 +        output.putInt("Purpur.ticksSinceLastInteraction", this.ticksSinceLastInteraction); // Purpur - Entity lifespan
      }
  
      @Override
-@@ -454,6 +_,7 @@
-         this.lootTableSeed = input.getLongOr("DeathLootTableSeed", 0L);
+@@ -461,6 +_,7 @@
          this.setNoAi(input.getBooleanOr("NoAI", false));
          this.aware = input.getBooleanOr("Bukkit.Aware", true); // CraftBukkit
+         this.despawnInPeacefulOverride = input.read("Paper.DespawnInPeacefulOverride", io.papermc.paper.util.PaperCodecs.TRI_STATE_CODEC).orElse(net.kyori.adventure.util.TriState.NOT_SET); // Paper - allow changing despawnInPeaceful
 +        this.ticksSinceLastInteraction = input.getIntOr("Purpur.ticksSinceLastInteraction", 0); // Purpur- Entity lifespan
      }
  
      @Override
-@@ -1188,7 +_,7 @@
+@@ -1201,7 +_,7 @@
              );
          }
  
@@ -70,7 +70,7 @@
          return spawnGroupData;
      }
  
-@@ -1525,6 +_,7 @@
+@@ -1538,6 +_,7 @@
              this.playAttackSound();
          }