Improve error message in text resource format parser

This improves the error message in our text resource parsing code to
help the user potentially fix parsing issues in case of failure. It also
helps with the debugging process of finding out which sub_resource is
causing the parser to fail with line messages.

scene/resources/resource_format_text.cpp

@@ -281,7 +281,7 @@ Ref<PackedScene> ResourceLoaderText::_parse_node_tag(VariantParser::ResourcePars
 					if (error == ERR_FILE_MISSING_DEPENDENCIES) {
 						// Resource loading error, just skip it.
 					} else if (error != ERR_FILE_EOF) {
-						_printerr();
+						ERR_PRINT(vformat("Parse Error: %s. [Resource file %s:%d]", error_names[error], res_path, lines));
 						return Ref<PackedScene>();
 					} else {
 						error = OK;