Tune pressure advance separately for each extruder variant

Pressure advance, adaptive pressure advance and its model can now take a
different value for each extruder variant of a filament, such as Standard and
High Flow nozzles, like the other per-variant filament settings. Projects
saved with one value per filament apply it to every variant of that filament,
and the addnorth BBL filaments in the Orca Filament Library are updated to the
per-variant layout.

src/libslic3r/PrintConfig.cpp

@@ -9403,6 +9403,22 @@ void PrintConfigDef::handle_legacy_composite(DynamicPrintConfig &config)
         }
         config.set_key_value("wiping_volumes_use_custom_matrix", new ConfigOptionBool(custom));
     }
+
+    // Orca: a config saved before a key joined filament_options_with_variant stores it once per filament
+    // rather than once per filament variant. Give every variant of a filament that filament's value.
+    if (auto *self_index = config.option<ConfigOptionInts>("filament_self_index"); self_index && !self_index->empty()) {
+        const int filament_count = *std::max_element(self_index->values.begin(), self_index->values.end());
+        if (filament_count > 0 && size_t(filament_count) < self_index->size()) {
+            for (const std::string &key : filament_options_with_variant) {
+                auto *opt = dynamic_cast<ConfigOptionVectorBase *>(config.option(key));
+                if (!opt || opt->size() != size_t(filament_count))
+                    continue;
+                std::unique_ptr<ConfigOption> per_filament(opt->clone());
+                for (size_t variant = 0; variant < self_index->size(); ++variant)
+                    opt->set_at(per_filament.get(), variant, self_index->values[variant] - 1);
+            }
+        }
+    }
 }
 
 const PrintConfigDef print_config_def;
@@ -9505,6 +9521,13 @@ std::set<std::string> filament_options_with_variant = {
     "filament_ironing_spacing",
     "filament_ironing_inset",
     "filament_ironing_speed",
+    // Orca: pressure advance
+    "enable_pressure_advance",
+    "pressure_advance",
+    "adaptive_pressure_advance",
+    "adaptive_pressure_advance_model",
+    "adaptive_pressure_advance_overhangs",
+    "adaptive_pressure_advance_bridges",
     "activate_air_filtration",
     "activate_air_filtration_during_print",
     "activate_air_filtration_on_completion",