Mission Handling Fixes

- Q. Item count glitches are dealt with
- Warping out now correctly rewinds missions.

src/NPCManager.cpp

@@ -570,6 +570,7 @@ void NPCManager::handleWarp(CNSocket* sock, int32_t warpId) {
         resp.iCandy = plr->money;
         resp.eIL = 4; // do not take away any items
         plr->instanceID = INSTANCE_OVERWORLD;
+        MissionManager::failInstancedMissions(sock); // fail any instanced missions
         sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_WARP_USE_NPC_SUCC, sizeof(sP_FE2CL_REP_PC_WARP_USE_NPC_SUCC));
         ChunkManager::updatePlayerChunk(sock, plr->chunkPos, std::make_tuple(0, 0, 0)); // force player to reload chunks
         PlayerManager::updatePlayerPosition(sock, resp.iX, resp.iY, resp.iZ, INSTANCE_OVERWORLD, plr->angle);