fix: 修复 iOS 平台支付宝通过 Universal Link 方式回调支付结果给 APP 时，不回调数据到 Flutter 层

Author: JimGreenWUH

ios/Classes/TobiasPlugin.m

@@ -67,9 +67,11 @@ - (BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDiction
 
 - (BOOL)application:(UIApplication *)application continueUserActivity:(NSUserActivity *)userActivity restorationHandler:(void (^)(NSArray * _Nonnull))restorationHandler{
     if ([userActivity.activityType isEqualToString:NSUserActivityTypeBrowsingWeb]) {
-            [[AlipaySDK defaultService] handleOpenUniversalLink:userActivity standbyCallback:^(NSDictionary *resultDic) {
-            }];
-        }
+        __weak TobiasPlugin* __self = self;
+        [[AlipaySDK defaultService] handleOpenUniversalLink:userActivity standbyCallback:^(NSDictionary *resultDic) {
+            [__self onPayResultReceived:resultDic];
+        }];
+    }
     return NO;
 }