Fix max lvl hell hounds getting stuck in fire (#333)

There were some cases where hell hounds would not be able to path out of fire, stay still and be non-responsive.

src/main/java/doggytalents/common/entity/ai/FindWaterGoal.java

@@ -43,10 +43,15 @@ public boolean shouldExecute() {
             return false;
         }
 
-        boolean isInFire = this.isInDangerSpot(this.creature);
         boolean isOnFire = this.creature.isBurning();
+
+        if (!isOnFire || this.creature.isImmuneToFire()) {
+            return false;
+        }
+
+        boolean isInFire = this.isInDangerSpot(this.creature);
 
-        if (!isInFire && !isOnFire) {
+        if (!isInFire) {
             return false;
         }