list.size > 0 changed to !list.isEmpty

We care about if it's empty or not, not about it's size

Mage/src/main/java/mage/abilities/Modes.java

@@ -207,7 +207,7 @@ public class Modes extends LinkedHashMap<UUID, Mode> {
                 if (isEachModeOnlyOnce()) {
                     setAlreadySelectedModes(selectedModes, source, game);
                 }
-                return selectedModes.size() > 0;
+                return !selectedModes.isEmpty();
             }
 
             // 700.2d