fix lazyload on old images

js/scripts.js

@@ -1065,7 +1065,24 @@
 
 			//wrap images on old posts
 			$('.single-content>.wp-block-image>img, .single-content>.wp-block-gallery>img').each(function () {
-				let src = $(this).attr('src')
+				var src = $(this).attr('src')
+				var datasrc = $(this).attr('data-src')
+
+				var srcArr = src.split('.')
+				switch (srcArr[srcArr.length - 1]) {
+					case 'jpg':
+					case 'png':
+					case 'jpeg':
+					case 'gif':
+
+						break;
+					default:
+						if (datasrc) {
+							src = datasrc
+						}
+						break;
+				}
+
 				$(this).wrap('<a class="cb-gallery" href="' + src + '" ></a>')
 				// $(this).parent('p').addClass('wp-block-image')
 			})