Validate missed resource location parsing

patches/server/Validate-ResourceLocation-in-NBT-reading.patch

@@ -21,6 +21,19 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
              if (optional.isEmpty()) {
                  return Blocks.AIR.defaultBlockState();
              } else {
+diff --git a/src/main/java/net/minecraft/world/entity/EntityType.java b/src/main/java/net/minecraft/world/entity/EntityType.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/world/entity/EntityType.java
++++ b/src/main/java/net/minecraft/world/entity/EntityType.java
+@@ -0,0 +0,0 @@ public class EntityType<T extends Entity> implements FeatureElement, EntityTypeT
+     }
+ 
+     public static Optional<EntityType<?>> by(CompoundTag nbt) {
+-        return BuiltInRegistries.ENTITY_TYPE.getOptional(new ResourceLocation(nbt.getString("id")));
++        return BuiltInRegistries.ENTITY_TYPE.getOptional(ResourceLocation.tryParse(nbt.getString("id"))); // Paper - Validate ResourceLocation
+     }
+ 
+     @Nullable
 diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/net/minecraft/world/entity/Mob.java