ref(TS) Convert some components to TS (#13192)

react/features/unsupported-browser/components/DefaultUnsupportedDesktopBrowser.tsx

@@ -0,0 +1,31 @@
+import React, { Component } from 'react';
+
+/**
+ * React component representing unsupported browser page.
+ *
+ * @class DefaultUnsupportedDesktopBrowser
+ */
+class DefaultUnsupportedDesktopBrowser extends Component {
+
+    /**
+     * Redirects to the static recommended browsers page that is also used for IE.
+     *
+     * @returns {void}
+     */
+    componentDidMount() {
+        window.location.pathname = 'static/recommendedBrowsers.html';
+    }
+
+    /**
+     * Renders the component.
+     *
+     * @returns {ReactElement}
+     */
+    render() {
+        return (
+            <div />
+        );
+    }
+}
+
+export default DefaultUnsupportedDesktopBrowser;