EVSEEnergyToBeDelivered is set to constant 10kWh

[corneliusclaussen]

Describe the problem

Add a config option to EvseManager to configure a proper default value for EVSEEnergyToBeDelivered for DC charging. Right now there is no proper data source to get a useful value for this, so we should at least make it configurable.

EVerest Domain

ISO15118

Affected EVerest Module

EvseManager (already implemented in EvseV2G, but EvseManager does not call call_set_charging_parameters() on DC to actually set the value

Describe your solution

No response

Additional context

No response