Rework clanmanmode attack option hiding (#746)

* A whole bunch of refactoring

* Api/mixins/injector additions for hiding attack options

* Rework clanmanmode attack hiding

* Update Client.java

runescape-client/src/main/java/class168.java

@@ -37,8 +37,8 @@ public class class168 {
    @ObfuscatedGetter(
       intValue = 1181569415
    )
-   @Export("__fs_au")
-   static int __fs_au;
+   @Export("optionButtonSpriteSubWidth")
+   static int optionButtonSpriteSubWidth;
 
    static {
       randomDat = null;