Change: Decouple and remove landscape-dependent cargo types. (#11719)

Cargo types of default engines, industries and houses are now specified in terms of label.

src/script/api/script_cargo.cpp

@@ -45,7 +45,7 @@
 	 * like "PASS", "COAL", "OIL_". New ones can be defined by NewGRFs */
 	std::string cargo_label;
 	for (uint i = 0; i < sizeof(cargo->label); i++) {
-		cargo_label.push_back(GB(cargo->label, (uint8_t)(sizeof(cargo->label) - i - 1) * 8, 8));
+		cargo_label.push_back(GB(cargo->label.base(), (uint8_t)(sizeof(cargo->label) - i - 1) * 8, 8));
 	}
 	return cargo_label;
 }