added some props to the map, fixed props texture bug

BackroomsDigitalArt/Content/BackroomsMap.umap

...alArt/Content/GameMap/Props/Materials/Material_011.uasset

...alArt/Content/GameMap/Props/Materials/Material_012.uasset

...alArt/Content/GameMap/Props/Materials/Material_017.uasset

...alArt/Content/GameMap/Props/Materials/Material_018.uasset

...igitalArt/Content/GameMap/Props/Materials/cabinet1.uasset

...igitalArt/Content/GameMap/Props/Materials/cabinet2.uasset

...sDigitalArt/Content/GameMap/Props/Materials/clock1.uasset

...sDigitalArt/Content/GameMap/Props/Materials/clock2.uasset

...sDigitalArt/Content/GameMap/Props/Materials/clock3.uasset

...alArt/Content/GameMap/Props/Materials/exit_letters.uasset

...italArt/Content/GameMap/Props/Materials/exit_outer.uasset

...talArt/Content/GameMap/Props/Materials/exit_outer2.uasset

...igitalArt/Content/GameMap/Props/Materials/exit_red.uasset

...DigitalArt/Content/GameMap/Props/Materials/kaffee1.uasset

...DigitalArt/Content/GameMap/Props/Materials/kaffee2.uasset

...DigitalArt/Content/GameMap/Props/Materials/kaffee3.uasset

...DigitalArt/Content/GameMap/Props/Materials/kaffee4.uasset

...DigitalArt/Content/GameMap/Props/Materials/kaffee5.uasset

...msDigitalArt/Content/GameMap/Props/Materials/metal.uasset