Simplifies the logic. If the device has binaryInputs, then use it. Reuse the device specific know-how in dss.
Fixes https://trello.com/c/Dhrr5cCN/129-5-show-sensor-function-of-smoke-detector-in-input-mode-column-of-the-configurator
when backendVdc devices have isVdcDevice flag set to true.