added width and height on svg images

lib/single-file/html-images-minifier.js

@@ -115,6 +115,8 @@ this.imagesMinifier = this.imagesMinifier || (() => {
 				const imageElement = doc.getElementById("single-file-" + urlIndex);
 				if (!imageElement.getAttributeNS(SVG_NS, "width") && !imageElement.getAttributeNS(SVG_NS, "height") && imageData.naturalWidth && imageData.naturalHeight) {
 					imageElement.setAttributeNS(SVG_NS, "viewBox", "0 0 " + imageData.naturalWidth + " " + imageData.naturalHeight);
+					imageElement.setAttributeNS(SVG_NS, "width", imageData.naturalWidth);
+					imageElement.setAttributeNS(SVG_NS, "height", imageData.naturalHeight);
 				}
 				imgElement.parentElement.replaceChild(svgElement, imgElement);
 			}