fixed font validity test

lib/single-file/single-file-core.js

@@ -1319,7 +1319,7 @@ this.SingleFileCore = this.SingleFileCore || (() => {
 									replaceURLs(declaration, originalResourceURL, content);
 								}
 							} else if (resourceURL.startsWith(DATA_URI_PREFIX) && !resourceURL.startsWith(PREFIX_DATA_URI_VND) && !resourceURL.startsWith(PREFIX_DATA_URI_IMAGE_SVG)) {
-								const validResource = await DocUtil.validFont(resourceURL);
+								const validResource = await DocUtil.validFont(urlFunction);
 								if (!validResource) {
 									replaceURLs(declaration, originalResourceURL, EMPTY_DATA_URI);
 								}