Playerbot: grant quest-source items so item-started quests push to bots

Item-started quests (e.g. item 1307 'Gold Pickup Schedule' -> quest 123 'The
Collector') require the source item in the bag for CanAddQuest to pass, but
the module only copied quest-OBJECTIVE items — so the push was skipped with
'(CanAddQuest)' and the bots never got the quest.

- GiveQuestItem (loot path): when the owner loots an item whose template
  starts a quest (GetStartQuest()>0), grant one to each bot.
- TryPushQuestToBot (accept path): backstop — grant the quest's SrcItemId
  if the bot lacks it before the CanAddQuest check.

src/modules/PlayerbotV2/PlayerbotV2.cpp

@@ -2982,11 +2982,26 @@ static bool GiveQuestItem(Player* bot, uint32 itemId, uint32 count)
         }
     }
 
+    // Quest-SOURCE item: starts a quest when used (e.g. item 1307 "Gold
+    // Pickup Schedule" → quest 123 "The Collector"). It's not an objective,
+    // but the bot needs it in the bag for CanAddQuest to pass once the quest
+    // is pushed — grant one when the owner loots it.
     if (need == 0)
     {
-        TC_LOG_ERROR("playerbot.v2",
-            "[QuestItemCopy] NONEED {} item={}", bot->GetName(), itemId);
-        return false;
+        ItemTemplate const* proto = sObjectMgr->GetItemTemplate(itemId);
+        if (proto && proto->GetStartQuest() > 0 &&
+            bot->GetItemCount(itemId, false) == 0)
+        {
+            if (bot->AddItem(itemId, 1))
+                TC_LOG_ERROR("playerbot.v2",
+                    "[QuestItemCopy] OK {} +1x source item={} (starts quest {})",
+                    bot->GetName(), itemId, proto->GetStartQuest());
+            else
+                TC_LOG_ERROR("playerbot.v2",
+                    "[QuestItemCopy] FAIL {} source item={} (bag full)",
+                    bot->GetName(), itemId);
+        }
+        return true;
     }
 
     if (have >= need)
@@ -3260,6 +3275,22 @@ static bool TryPushQuestToBot(Player* bot, Player* owner, uint32 quest_id)
         return false;
     }
 
+    // Quest started from an item: CanAddQuest requires the source item in the
+    // bag (e.g. item 1307 → quest 123). Backstop for the loot-copy path — if
+    // the bot never picked up the source item, grant it now.
+    if (uint32 const srcId = botQuest->GetSrcItemId(); srcId > 0 &&
+        bot->GetItemCount(srcId, false) == 0)
+    {
+        if (bot->AddItem(srcId, 1))
+            TC_LOG_ERROR("playerbot.v2",
+                "[OnAcceptQuest] {} +1x source item={} for quest {}",
+                bot->GetName(), srcId, botQuestId);
+        else
+            TC_LOG_ERROR("playerbot.v2",
+                "[OnAcceptQuest] {} source item={} grant failed (bag full)",
+                bot->GetName(), srcId);
+    }
+
     if (!bot->CanAddQuest(botQuest, false))
     {
         TC_LOG_ERROR("playerbot.v2",