Allow downloads from pages viewed in Simple Browser (microsoft#185117)

Author: gjsjohnmurray

extensions/simple-browser/src/simpleBrowserView.ts

@@ -165,7 +165,7 @@ export class SimpleBrowserView extends Disposable {
 				</header>
 				<div class="content">
 					<div class="iframe-focused-alert">${vscode.l10n.t("Focus Lock")}</div>
-					<iframe sandbox="allow-scripts allow-forms allow-same-origin"></iframe>
+					<iframe sandbox="allow-scripts allow-forms allow-same-origin allow-downloads"></iframe>
 				</div>
 
 				<script src="${mainJs}" nonce="${nonce}"></script>