Update dart & iOS for returning PendingDynamicLinkData

Author: imzyy

packages/firebase_dynamic_links/ios/Classes/FirebaseDynamicLinksPlugin.m

@@ -105,10 +105,8 @@ - (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result
         ^(FIRDynamicLink *_Nullable dynamicLink, NSError *_Nullable error) {
           if (error) {
             result(getFlutterError(error));
-          } else if (dynamicLink && dynamicLink.url) {
-            result([dynamicLink.url absoluteString]);
           } else {
-            result(nil);
+            result(getDictionaryFromDynamicLink(dynamicLink));
           }
         };
     [[FIRDynamicLinks dynamicLinks] handleUniversalLink:shortLink completion:completion];

packages/firebase_dynamic_links/lib/src/firebase_dynamic_links.dart

@@ -37,14 +37,11 @@ class FirebaseDynamicLinks {
     return getPendingDynamicLinkDataFromMap(linkData);
   }
 
-  Future<Uri> getDynamicLink(Uri url) async {
-    final String reply = await FirebaseDynamicLinks.channel
+  Future<PendingDynamicLinkData> getDynamicLink(Uri url) async {
+    final Map<String, dynamic> linkData = await FirebaseDynamicLinks.channel
         .invokeMethod<String>('FirebaseDynamicLinks#getDynamicLink',
             <String, dynamic>{'url': url.toString()});
-    if (reply == null) {
-      return null;
-    }
-    return Uri.tryParse(reply);
+    return getPendingDynamicLinkDataFromMap(linkData);
   }
 
   PendingDynamicLinkData getPendingDynamicLinkDataFromMap(