Task: Get only new RSS with photo

n8n workflow JSON:
{"id":8,"name":"Get only new RSS with Photo","nodes":[{"name":"Cron","type":"n8n-nodes-base.cron","position":[1050,920],"parameters":{"triggerTimes":{"item":[{"mode":"everyX","unit":"minutes","value":5}]}},"typeVersion":1},{"name":"RSS Feed Read","type":"n8n-nodes-base.rssFeedRead","position":[1220,920],"parameters":{"url":"http://www.theverge.com/rss/full.xml"},"executeOnce":true,"typeVersion":1},{"name":"Extract Image1","type":"n8n-nodes-base.htmlExtract","position":[1740,920],"parameters":{"options":{},"dataPropertyName":"=content","extractionValues":{"values":[{"key":"image","attribute":"src","cssSelector":"img","returnValue":"attribute"}]}},"typeVersion":1},{"name":"Filter RSS Data","type":"n8n-nodes-base.set","position":[1390,920],"parameters":{"values":{"string":[{"name":"Title","value":"={{$node[\"RSS Feed Read\"].json[\"title\"]}}"},{"name":"Subtitle","value":"={{$json[\"contentSnippet\"]}}"},{"name":"Author","value":"={{$json[\"creator\"]}}"},{"name":"URL","value":"={{$node[\"RSS Feed Read\"].json[\"link\"]}}"},{"name":"Date","value":"={{$node[\"RSS Feed Read\"].json[\"pubDate\"]}}"},{"name":"content","value":"={{$json[\"content\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"Only get new RSS1","type":"n8n-nodes-base.function","position":[1560,920],"parameters":{"functionCode":"const staticData = getWorkflowStaticData('global');\nconst newRSSIds = items.map(item => item.json[\"Date\"]);\nconst oldRSSIds = staticData.oldRSSIds; \n\nif (!oldRSSIds) {\n  staticData.oldRSSIds = newRSSIds;\n  return items;\n}\n\n\nconst actualNewRSSIds = newRSSIds.filter((id) => !oldRSSIds.includes(id));\nconst actualNewRSS = items.filter((data) => actualNewRSSIds.includes(data.json['Date']));\nstaticData.oldRSSIds = [...actualNewRSSIds, ...oldRSSIds];\n\nreturn actualNewRSS;\n"},"typeVersion":1}],"active":false,"settings":{},"connections":{"Cron":{"main":[[{"node":"RSS Feed Read","type":"main","index":0}]]},"RSS Feed Read":{"main":[[{"node":"Filter RSS Data","type":"main","index":0}]]},"Extract Image1":{"main":[[]]},"Filter RSS Data":{"main":[[{"node":"Only get new RSS1","type":"main","index":0}]]},"Only get new RSS1":{"main":[[{"node":"Extract Image1","type":"main","index":0}]]}}}