Fix poison water entrace position

Source/levels/drlg_l1.cpp

@@ -1111,7 +1111,7 @@ bool PlaceCathedralStairs(lvl_entry entry)
 			Point miniPosition = *position;
 			DRLG_MRectTrans({ miniPosition + Displacement { 0, 2 }, { 5, 2 } });
 			TransVal = t;
-			Quests[Q_PWATER].position = miniPosition.megaToWorld() + Displacement { 5, 7 };
+			Quests[Q_PWATER].position = miniPosition.megaToWorld() + Displacement { 5, 6 };
 			if (entry == ENTRY_RTNLVL)
 				ViewPosition = Quests[Q_PWATER].position;
 		}

test/drlg_l1_test.cpp

@@ -53,7 +53,7 @@ TEST(Drlg_l1, CreateL5Dungeon_diablo_2_1383137027)
 	TestCreateDungeon(2, 1383137027, ENTRY_PREV);
 	EXPECT_EQ(ViewPosition, Point(57, 79));
 	TestCreateDungeon(2, 1383137027, ENTRY_RTNLVL);
-	EXPECT_EQ(ViewPosition, Point(49, 89));
+	EXPECT_EQ(ViewPosition, Point(49, 88));
 }
 
 TEST(Drlg_l1, CreateL5Dungeon_diablo_3_844660068)