cleanup AbilityType for easier check that an ability is an activated ability (#12153)

* cleanup AbilityType

* further cleanup

* cleanup instanceof

* tweak formatting

* rework Rex

* fix mistake in PlayerImpl

* cleanup 'instanceof' for 'ActivatedManaAbilityImpl'

Mage/src/main/java/mage/game/stack/StackAbility.java

@@ -430,6 +430,31 @@ public class StackAbility extends StackObjectImpl implements Ability {
         return ability.getAbilityType();
     }
 
+    @Override
+    public boolean isActivatedAbility() {
+        return ability.isActivatedAbility();
+    }
+
+    @Override
+    public boolean isTriggeredAbility() {
+        return ability.isTriggeredAbility();
+    }
+
+    @Override
+    public boolean isNonManaActivatedAbility() {
+        return ability.isNonManaActivatedAbility();
+    }
+
+    @Override
+    public boolean isManaActivatedAbility() {
+        return ability.isManaActivatedAbility();
+    }
+
+    @Override
+    public boolean isManaAbility() {
+        return ability.isManaAbility();
+    }
+
     @Override
     public boolean isUsesStack() {
         return true;