Awattar Price changed to more precise value; if SoC=0 discharge =1 forced. Exp Avg for siple Price Forecast

* Discharge Mask Bug, Tests updated, simple Price Forecast with linear weighting
 * Price Forecast with linear weighting, last value = highest weighting Discharge enforce when soc = 0 -> mask bug

tests/test_class_optimize.py

@@ -62,6 +62,7 @@ def test_optimize(fn_in: str, fn_out: str, ngen: int, is_full_run: bool):
     opt_class = optimization_problem(fixed_seed=42)
     start_hour = 10
 
+    # Activate with pytest --full-run
     if ngen > 10 and not is_full_run:
         pytest.skip()