Update upstream CB/S

--- work/CraftBukkit
Submodule work/CraftBukkit 1ec1b05e..368f4e99:
  > Increase outdated build delay to 3 weeks
  > SPIGOT-5249: Do not add data to empty loot table
  > SPIGOT-5257: Call EntityBreedEvent for foxes and set the child's spawn reason to BREEDING

--- work/Spigot
Submodule work/Spigot e5b1b5db..ea7e48b3:
  > Add string default for view distance, and API to retrieve per world

Spigot-Server-Patches/Async-Chunk-placeholder.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Async Chunk placeholder
 Until we figure out Mojang's ticket system.
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index 0d4e38d0f4..74f7b046ac 100644
+index 5984e70c..4822687f 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 @@ -0,0 +0,0 @@ import java.util.Objects;
@@ -56,6 +56,6 @@ index 0d4e38d0f4..74f7b046ac 100644
 +    // Paper end
 +
      // Spigot start
-     private final Spigot spigot = new Spigot()
-     {
+     @Override
+     public int getViewDistance() {
 --