select the first shorticon found (can't be empty)

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

@@ -696,7 +696,7 @@ this.SingleFileCore = this.SingleFileCore || (() => {
 			if (this.options.removeAlternativeImages) {
 				const shortcutIcons = Array.from(this.doc.querySelectorAll("link[href][rel=\"icon\"], link[href][rel=\"shortcut icon\"]"));
 				shortcutIcons.sort((linkElement1, linkElement2) => (parseInt(linkElement2.sizes, 10) || 16) - (parseInt(linkElement1.sizes, 10) || 16));
-				const shortcutIcon = shortcutIcons.find(linkElement => linkElement.href && linkElement.href != EMPTY_DATA_URI);
+				const shortcutIcon = shortcutIcons[0];
 				if (shortcutIcon) {
 					this.doc.querySelectorAll("link[href][rel*=\"icon\"]").forEach(linkElement => {
 						if (linkElement != shortcutIcon) {