chore: align iw3,iw4,iw5 menu code (#987)

* chore: small adjustments to iw3 menu dumper

* chore: align iw4 menu loader closer to iw3

* chore: align iw4 menu dumper closer to iw3

* chore: adjust iw4 menu expression dumping

* chore: adjust iw4 menu expression converting

* chore: align iw5 menu loader closer to iw3

* chore: align iw4 menu dumper closer to iw3

* chore: adjust iw5 menu expression dumping

* chore: adjust iw5 menu expression converting

* fix: not respecting reference menus when inlining menu list menus

* fix: compilation on linux

src/Common/Game/IW4/IW4_Assets.h

@@ -2315,7 +2315,7 @@ namespace IW4
         int ownerDraw;
         unsigned int ownerDrawFlags;
         float borderSize;
-        int staticFlags;
+        unsigned int staticFlags;
         unsigned int dynamicFlags[1];
         int nextTime;
         float foreColor[4];
@@ -2385,14 +2385,14 @@ namespace IW4
         int gameMsgWindowIndex;
         int gameMsgWindowMode;
         const char* text;
-        int itemFlags;
+        unsigned int itemFlags;
         menuDef_t* parent;
         MenuEventHandlerSet* mouseEnterText;
         MenuEventHandlerSet* mouseExitText;
         MenuEventHandlerSet* mouseEnter;
         MenuEventHandlerSet* mouseExit;
         MenuEventHandlerSet* action;
-        MenuEventHandlerSet* accept;
+        MenuEventHandlerSet* onAccept;
         MenuEventHandlerSet* onFocus;
         MenuEventHandlerSet* leaveFocus;
         const char* dvar;