feat: don't try to sleep if power > 0

power > 0 is when e.g. the climate is on which could be scheduled
preconditioning or starting preheat from the app.

This code will make sure it doesn't enter 'trying to sleep' (the internal state
suspended) when power > 0.

changes from @micves from #3262

lib/teslamate/vehicles/vehicle.ex

@@ -1433,6 +1433,12 @@ defmodule TeslaMate.Vehicles.Vehicle do
         {:keep_state, %Data{data | last_used: DateTime.utc_now()},
          [broadcast_summary(), schedule_fetch(default_interval() * i, data)]}
 
+      {:error, :power_usage} ->
+        if suspend?, do: Logger.warning("Power usage ...", car_id: car.id)
+
+        {:keep_state, %Data{data | last_used: DateTime.utc_now()},
+         [broadcast_summary(), schedule_fetch(default_interval() * i, data)]}
+
       {:error, :unlocked} ->
         if suspend?, do: Logger.warning("Unlocked ...", car_id: car.id)
 
@@ -1501,6 +1507,10 @@ defmodule TeslaMate.Vehicles.Vehicle do
        %CarSettings{req_not_unlocked: true}} ->
         {:error, :unlocked}
 
+      {%Vehicle{drive_state: %Drive{power: power}}, _}
+      when is_number(power) and power > 0 ->
+        {:error, :power_usage}
+
       {%Vehicle{}, %CarSettings{}} ->
         :ok
     end