Fix shift-clicky.

- Reverse traversal of sort button when SHIFT is pressed (resolves #897)

Author: gniftygnome

src/main/java/com/terraformersmc/modmenu/config/option/ConfigOptionStorage.java

@@ -53,7 +53,7 @@ public static <E extends Enum<E>> E cycleEnum(String key, Class<E> typeClass) {
 	public static <E extends Enum<E>> E cycleEnum(String key, Class<E> typeClass, int amount) {
 		E[] values = typeClass.getEnumConstants();
 		E currentValue = getEnum(key, typeClass);
-		E newValue = values[(currentValue.ordinal() + amount) % values.length];
+		E newValue = values[(currentValue.ordinal() + values.length + amount) % values.length];
 		setEnum(key, newValue);
 		return newValue;
 	}

src/main/java/com/terraformersmc/modmenu/gui/ModsScreen.java

@@ -152,7 +152,7 @@ protected void init() {
 
 		// Sorting button
 		this.sortingButton = ButtonWidget.builder(sortingText, button -> {
-			ModMenuConfig.SORTING.cycleValue();
+			ModMenuConfig.SORTING.cycleValue(this.client.isShiftPressed() ? -1 : 1);
 			ModMenuConfigManager.save();
 			modList.reloadFilters();
 			button.setMessage(ModMenuConfig.SORTING.getButtonText());