MOM jumpstart typo, adventure event patch (#3357)

* Adventure - draft fixes

* Update AdventureEventData.java

cleanup

* Adventure map updates

Adding collision barriers around several maps, expanding entry objects to prevent moving outside the map

minor Temple of Gideon progress

* Adventure draft set filtering

Preventing sealed-only sets from being selected only for drafts

* Adventure mob spawn rate adjustment

Making enemy spawn allocation more reasonable while still allowing for higher and lower rates.

* Adventure - Map updates

Removing unneeded collision layers from dungeons

* Adventure - Fix for missing event rewards

getHumanPlayer() is backed by a transient field and will lose track of game wins if saved / reloaded

* Removal of unneeded collision layers

* Adventure - Event bugfix

Preventing NPE if event was created with an enemy participant that is no longer found in enemies.json

* MOM Red Jumpstart insert typo fix

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Co-authored-by: Anthony Calosa <anthonycalosa@gmail.com>

forge-gui-mobile/src/forge/adventure/data/AdventureEventData.java

@@ -429,6 +429,11 @@ public class AdventureEventData implements Serializable {
 
         public Image getAvatar() {
             if (sprite == null) {
+                EnemyData data = WorldData.getEnemy(enemyDataName);
+                if (data == null){
+                    //enemyDataName was not found, replace with something valid.
+                    enemyDataName = Aggregates.random(WorldData.getAllEnemies()).getName();
+                }
                 sprite = new EnemySprite(WorldData.getEnemy(enemyDataName));
             }
             return sprite.getAvatar() == null ? new Image() : new Image(sprite.getAvatar());