Fix ResourceImporterLayeredTexture::import() high_quality type

editor/import/resource_importer_layered_texture.cpp

@@ -286,7 +286,7 @@ void ResourceImporterLayeredTexture::_save_tex(Vector<Ref<Image>> p_images, cons
 Error ResourceImporterLayeredTexture::import(const String &p_source_file, const String &p_save_path, const HashMap<StringName, Variant> &p_options, List<String> *r_platform_variants, List<String> *r_gen_files, Variant *r_metadata) {
 	int compress_mode = p_options["compress/mode"];
 	float lossy = p_options["compress/lossy_quality"];
-	float high_quality = p_options["compress/high_quality"];
+	bool high_quality = p_options["compress/high_quality"];
 	int hdr_compression = p_options["compress/hdr_compression"];
 	bool mipmaps = p_options["mipmaps/generate"];