SPIGOT-5559: Add EntityPotionEffectEvent causes for bee, raiders and wither rose

nms-patches/BlockWitherRose.patch

@@ -0,0 +1,11 @@
+--- a/net/minecraft/server/BlockWitherRose.java
++++ b/net/minecraft/server/BlockWitherRose.java
+@@ -20,7 +20,7 @@
+                 EntityLiving entityliving = (EntityLiving) entity;
+ 
+                 if (!entityliving.isInvulnerable(DamageSource.WITHER)) {
+-                    entityliving.addEffect(new MobEffect(MobEffects.WITHER, 40));
++                    entityliving.addEffect(new MobEffect(MobEffects.WITHER, 40), org.bukkit.event.entity.EntityPotionEffectEvent.Cause.WITHER_ROSE); // CraftBukkit
+                 }
+             }
+ 

nms-patches/EntityBee.patch

@@ -1,6 +1,12 @@
 --- a/net/minecraft/server/EntityBee.java
 +++ b/net/minecraft/server/EntityBee.java
-@@ -157,7 +157,7 @@
+@@ -152,12 +152,12 @@
+                 }
+ 
+                 if (b0 > 0) {
+-                    ((EntityLiving) entity).addEffect(new MobEffect(MobEffects.POISON, b0 * 20, 0));
++                    ((EntityLiving) entity).addEffect(new MobEffect(MobEffects.POISON, b0 * 20, 0), org.bukkit.event.entity.EntityPotionEffectEvent.Cause.ATTACK); // CraftBukkit
+                 }
              }
  
              this.setHasStung(true);

nms-patches/EntityRaider.patch

@@ -1,5 +1,14 @@
 --- a/net/minecraft/server/EntityRaider.java
 +++ b/net/minecraft/server/EntityRaider.java
+@@ -131,7 +131,7 @@
+                     MobEffect mobeffect1 = new MobEffect(MobEffects.BAD_OMEN, 120000, i, false, false, true);
+ 
+                     if (!this.world.getGameRules().getBoolean(GameRules.DISABLE_RAIDS)) {
+-                        entityhuman.addEffect(mobeffect1);
++                        entityhuman.addEffect(mobeffect1, org.bukkit.event.entity.EntityPotionEffectEvent.Cause.PATROL_CAPTAIN); // CraftBukkit
+                     }
+                 }
+             }
 @@ -397,7 +397,7 @@
              while (iterator.hasNext()) {
                  EntityRaider entityraider = (EntityRaider) iterator.next();