Fix lazy loading breaking the site

assets/site.js

@@ -18,17 +18,28 @@
 			info.cbid = 0;
 			info.cbid = window.setInterval(() => {
 				let el = info.stack.pop();
+				if (el === undefined) {
+					reject();
+					return;
+				}
 				let lazycontent = el.querySelector("noscript");
+				if (lazycontent === undefined) {
+					reject();
+					return;
+				}
 				el.innerHTML = lazycontent.innerHTML;
 
 				if (info.stack.length == 0) {
 					window.clearInterval(info.cbid);
 					resolve();
+					return;
 				}
 			}, 1);
+		}).then(() => {
+			window.clearInterval(info.cbid);
+		}).catch(() => {
 		}).finally(() => {
 			console.debug("Lazy loading complete.");
-			window.clearInterval(info.cbid);
 		});
 	}