[Quest API] Add IsFindable() and IsTrackable() to Perl/Lua (#2996)

# Perl
- Add `$mob->IsFindable()`.
- Add `$mob->IsTrackable()`.

# Lua
- Add `mob:IsFindable()`.
- Add `mob:IsTrackable()`.

# Notes
- Allows operators to see if a mob is findable or trackable.

zone/lua_mob.h

@@ -513,6 +513,8 @@ public:
 	void CopyHateList(Lua_Mob to);
 	bool IsAttackAllowed(Lua_Mob target);
 	bool IsAttackAllowed(Lua_Mob target, bool is_spell_attack);
+	bool IsFindable();
+	bool IsTrackable();
 	float GetDefaultRaceSize();
 };