Minor Sankey queries fixes (#3390)

Author: kndehaan

gqueries/general/conversion/biomass_products/conversion_from_biomass_products_to_carrier/conversion_from_biomass_products_for_electricity.gql

@@ -5,25 +5,11 @@
 
 - query =
     SUM(
-      DIVIDE(
-        SUM(
-          V(
-            Q(electricity_producing_converters_sankey),
-            input_of(
-              greengas,
-              biodiesel,
-              bio_ethanol,
-              bio_lng,
-              bio_oil,
-              biogas,
-              bio_kerosene,
-              torrefied_biomass_pellets,
-              wood_pellets
-            )
-          )
-        ),
-        BILLIONS
-      ),
-      Q(gas_power_fuelmix_for_electricity_conversion) * V(energy_mixer_for_gas_power_fuel, bio_oil_input_conversion)
+      Q(conversion_from_wood_pellets_to_electricity),
+      Q(conversion_from_biogas_to_electricity),
+      PRODUCT(
+        Q(conversion_from_gas_power_fuelmix_to_electricity),
+        V(energy_mixer_for_gas_power_fuel, bio_oil_input_conversion)
+      )
     )
 - unit = PJ

gqueries/general/conversion/electricity/conversion_from_carrier_to_electricity/conversion_from_biogas_to_electricity.gql

@@ -0,0 +1,13 @@
+# Direct conversion input of biogas for central electricity production
+
+- query =
+    DIVIDE(
+      SUM(
+        V(
+          G(electricity_production),
+          "electricity_output_conversion / (1 - loss_output_conversion) * input_of_biogas"
+        )
+      ),
+      BILLIONS
+    )
+- unit = PJ

gqueries/output_elements/output_series/sankey_energy_overview/sankey_1_to_2_heat_to_loss.gql

@@ -4,7 +4,7 @@
       Q(conversion_loss_coal_and_derivatives_to_steam_hot_water),
       Q(conversion_loss_electricity_to_steam_hot_water),
       Q(conversion_loss_hydrogen_to_steam_hot_water),
-      Q(conversion_loss_natural_gas_and_derivatives_to_steam_hot_water),
+      Q(conversion_loss_network_gas_to_steam_hot_water),
       Q(conversion_loss_oil_and_derivatives_to_steam_hot_water),
       Q(conversion_loss_waste_mix_to_steam_hot_water),
       Q(conversion_loss_solar_thermal_to_steam_hot_water),