After-quest messages & MCPQ patch + Scroll Generator

Fixed an issue within Restore Lost Item functionality.
New custom NPC: scroll generator. Trades a scroll for bundles of common miscellaneous items.
Revised several lock-acquiring flow scenarios.
Fixed pet autopot taking out "negative" amounts from inventory.
Added zombify and confuse diseases dispellable by all-cure potions.
Patched after-quest messages sometimes allowing player movement, that shouldn't be available until the message box is closed.
Reviewed multiclient component, now also evaluating passed HWID alongside remote IP.
Fixed missing info about questlines on skillbook announcer NPC after recent updates.
Fixed some Aran skills not applying MP consume properly.
Cleared a few issues within MCPQ collectable solo/party items and skills.
Improved response time on scroll generator by adding a cache for scroll requirements.

src/constants/game/GameConstants.java

@@ -490,18 +490,6 @@ public class GameConstants {
         }
     }
     
-    public static int getHiddenSkill(final int skill) {
-        switch (skill) {
-            case Aran.HIDDEN_FULL_DOUBLE:
-            case Aran.HIDDEN_FULL_TRIPLE:
-                return Aran.FULL_SWING;
-            case Aran.HIDDEN_OVER_DOUBLE:
-            case Aran.HIDDEN_OVER_TRIPLE:
-                return Aran.OVER_SWING;
-        }
-        return skill;
-    }
-    
     public static int getSkillBook(final int job) {
         if (job >= 2210 && job <= 2218) {
              return job - 2209;