added missing iframe component

public/js/components/Cis/Cms/Content_types/Iframe_content.js

@@ -0,0 +1,31 @@
+import { replaceRelativeLegacyLink } from "../../../../helpers/LegacyLinkReplaceHelper.js";
+
+export default {
+	name: "iframe_content",
+	props: {
+		content: { type: String, required: true }
+	},
+	computed: {
+		srcUrl() {
+			const parser = new DOMParser()
+			const doc = parser.parseFromString(`<div>${this.content}</div>`, "text/html");
+			const iframe = doc.querySelector("iframe[src]");
+
+			if (!iframe)
+				return "";
+
+			let url = iframe.getAttribute("src") || "";
+			return replaceRelativeLegacyLink(url);
+		}
+	},
+	template: `
+		<div class="w-100">
+			<iframe
+				v-if="srcUrl"
+				:src="srcUrl"
+				style="width:100%; height:90vh; border:0; display:block;"
+			></iframe>
+		<div v-else class="alert alert-warning">Keine URL gefunden.</div>
+		</div>
+	`
+};