feat(visionos): ui-mobile-base supporting xros plus improvements to window handling (#10478)

packages/core/file-system/index.ts

@@ -897,7 +897,7 @@ export namespace knownFolders {
 
 	export namespace ios {
 		function _checkPlatform(knownFolderName: string) {
-			if (!__IOS__) {
+			if (!__APPLE__) {
 				throw new Error(`The "${knownFolderName}" known folder is available on iOS only!`);
 			}
 		}