add tips message

Author: zhefengzhang

pal/system-info/native/system-info.ts

@@ -134,6 +134,7 @@ class SystemInfo extends EventTarget {
             [Feature.EVENT_HANDLE]: this.isXR,
             [Feature.EVENT_HMD]: this.isXR,
             [Feature.EVENT_HANDHELD]: (typeof xr !== 'undefined' && typeof xr.ARModule !== 'undefined'),
+            // Although the iOS OS supports WASM, the engine does not yet support loading WASM on this platform.
             [Feature.WASM]: !OPEN_HARMONY && !IOS,
         };