Downgrade simple browser to prompt instead of being the default on web

We need more testing in codespaces before enabling it automatically

extensions/simple-browser/src/extension.ts

@@ -51,7 +51,7 @@ export function activate(context: vscode.ExtensionContext) {
 			const originalUri = new URL(uri.toString());
 			if (enabledHosts.has(originalUri.hostname)) {
 				return isWeb()
-					? vscode.ExternalUriOpenerPriority.Preferred
+					? vscode.ExternalUriOpenerPriority.Default
 					: vscode.ExternalUriOpenerPriority.Option;
 			}