Add missing DamageCause for EntityDamageByBlockEvent (#6352)

patches/server/call-EntityDamageByBlockEvent-for-campfires.patch

@@ -18,3 +18,18 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
          }
  
          super.entityInside(state, world, pos, entity);
+diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
++++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+@@ -0,0 +0,0 @@ public class CraftEventFactory {
+                 cause = DamageCause.HOT_FLOOR;
+             } else if (source == DamageSource.MAGIC) {
+                 cause = DamageCause.MAGIC;
++            // Paper start
++            } else if (source == DamageSource.IN_FIRE) {
++                cause = DamageCause.FIRE;
++            // Paper end
+             } else {
+                 throw new IllegalStateException(String.format("Unhandled damage of %s by %s from %s", entity, damager, source.msgId));
+             }