fix: Correctly parse XML response from CORS proxy in RSS ticker

rss_ticker_overlay/rss_ticker.html

@@ -73,13 +73,13 @@
             fetch(url)
                 .then(response => {
                     console.log('Proxy response:', response);
-                    if (response.ok) return response.json();
+                    if (response.ok) return response.text();
                     throw new Error('Network response was not ok.');
                 })
-                .then(data => {
-                    console.log('Raw data from proxy:', data);
+                .then(xmlText => {
+                    console.log('Raw XML from proxy:', xmlText);
                     const parser = new DOMParser();
-                    const xmlDoc = parser.parseFromString(data.contents, "text/xml");
+                    const xmlDoc = parser.parseFromString(xmlText, "text/xml");
                     console.log('Parsed XML Doc:', xmlDoc);
                     const items = xmlDoc.querySelectorAll("item");
                     let headlines = [];