refactor: look up the oldest zone files' scenes in a CDClient SceneTable table

Zone held a std::function that queried the SceneTable, so tests could swap it out. CDSceneTableTable now loads the table with the others, and Zone looks scenes up in it; tests fill its entries like the zone table's.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

dDatabase/CDClientDatabase/CDClientTables/CDSceneTableTable.h

@@ -0,0 +1,17 @@
+#pragma once
+
+// Custom Classes
+#include "CDTable.h"
+
+struct CDSceneTable {
+	uint32_t sceneID;                       //!< The scene's ID, as zone files before version 30 list their scenes
+	std::string sceneName;                  //!< The scene's file
+};
+
+namespace CDSceneTableTable {
+	using Table = std::map<uint32_t, CDSceneTable>;
+	void LoadValuesFromDatabase();
+
+	// Queries the table with a sceneID to find.
+	const CDSceneTable* Query(uint32_t sceneID);
+};