Update new_quest_lv7.quest

- Recompute new_quest_lv7_DestMapIndex in the goto_oldwomans_sister state based on the player’s empire.
- Restrict the 9006.chat handler in goto_oldwomans_sister with
  `pc.get_map_index() == new_quest_lv7_DestMapIndex`, so the bouquet
  can only be delivered to the sister in the correct second village
  (Jayang/Bokjung/Bakra) and not to the old woman in the first village.

This prevents completing the sister step by talking to the wrong 9006 NPC
after briefly entering and leaving the destination map, and aligns the
behavior with the intended narrative flow.

share/locale/english/quest/new_quest_lv7.quest

@@ -381,9 +381,19 @@ quest new_quest_lv7 begin
             send_letter(gameforge.new_quest_lv7._020_say_title)
             q.start()
             q.set_title(gameforge.new_quest_lv7._020_say_title)
+
+            -- FIX: recompute destination map index to ensure correct map for the sister
+            new_quest_lv7_DestMapIndex = 99
+            if pc.get_empire() == 1 then -- = Shinsoo
+                new_quest_lv7_DestMapIndex = 3  -- = Yayang
+            elseif pc.get_empire() == 2 then -- = Chunjo
+                new_quest_lv7_DestMapIndex = 23 -- = Bokjung
+            elseif pc.get_empire() == 3 then -- = Jinno
+                new_quest_lv7_DestMapIndex = 43 -- = Bakra
+            end
         end
         
-        when 9006.chat.gameforge.new_quest_lv7._020_say_title begin
+        when 9006.chat.gameforge.new_quest_lv7._020_say_title with pc.get_map_index() == new_quest_lv7_DestMapIndex begin
             if pc.count_item(30172) >= 1 then -- has flowers in inventory
                 target.delete("__TARGET3__")
                 say_title(gameforge.new_quest_lv7._020_say_title) -- yellow