Add support OMI_shell as the Omi CV 1, dealing with the flashing mistake on the new devices (#2424)

Author: beastoin

backend/routers/firmware.py

@@ -34,6 +34,9 @@ def _get_device_by_model_number(device_model: str):
         return DeviceModel.OPEN_GLASS
     if device_model in ['Omi CV 1']:
         return DeviceModel.OMI_CV1
+    # TODO: remove
+    if device_model in ['OMI_shell']:
+        return DeviceModel.OMI_CV1
 
     return None