Use an editable string picker for job boards when editing quests or dialogue nodes

src/scenario/scenario.hpp

@@ -100,6 +100,7 @@ public:
 	std::vector<std::string> spec_strs;
 	std::vector<std::string> snd_names;
 	std::vector<std::string> evt_names;
+	std::vector<std::string> qb_names;
 	std::vector<std::string> ic_names;
 	std::vector<std::string> itf_names;
 	std::map<int, std::map<int, std::string>> sdf_names;

src/scenario/special.hpp

@@ -156,7 +156,7 @@ enum class eSpecPicker {
 	FIELD, DAMAGE_TYPE, EXPLOSION,
 	STATUS, STATUS_PARTY,
 	SDF, LOCATION, RECTANGLE, TOGGLE,
-	EVENT, ITEM_CLASS, QUEST,
+	EVENT, ITEM_CLASS, QUEST, JOB_BOARD,
 	POINTER,
 };