Make iOS embedding to send full uri for deeplinks (#41992)

related flutter/flutter#100624

[C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style

Author: chunhtai

shell/platform/darwin/ios/framework/Source/FlutterAppDelegate.mm

@@ -150,17 +150,10 @@ - (BOOL)openURL:(NSURL*)url {
                        FML_LOG(ERROR)
                            << "Timeout waiting for the first frame when launching an URL.";
                      } else {
-                       NSString* fullRoute = url.path;
-                       if ([url.query length] != 0) {
-                         fullRoute = [NSString stringWithFormat:@"%@?%@", fullRoute, url.query];
-                       }
-                       if ([url.fragment length] != 0) {
-                         fullRoute = [NSString stringWithFormat:@"%@#%@", fullRoute, url.fragment];
-                       }
                        [flutterViewController.engine.navigationChannel
                            invokeMethod:@"pushRouteInformation"
                               arguments:@{
-                                @"location" : fullRoute,
+                                @"location" : url.absoluteString,
                               }];
                      }
                    }];

shell/platform/darwin/ios/framework/Source/FlutterAppDelegateTest.mm

@@ -67,8 +67,9 @@ - (void)testLaunchUrl {
                             openURL:[NSURL URLWithString:@"http://myApp/custom/route?query=test"]
                             options:@{}];
   XCTAssertTrue(result);
-  OCMVerify([self.mockNavigationChannel invokeMethod:@"pushRouteInformation"
-                                           arguments:@{@"location" : @"/custom/route?query=test"}]);
+  OCMVerify([self.mockNavigationChannel
+      invokeMethod:@"pushRouteInformation"
+         arguments:@{@"location" : @"http://myApp/custom/route?query=test"}]);
 }
 
 - (void)testLaunchUrlWithDeepLinkingNotSet {
@@ -106,7 +107,7 @@ - (void)testLaunchUrlWithQueryParameterAndFragment {
   XCTAssertTrue(result);
   OCMVerify([self.mockNavigationChannel
       invokeMethod:@"pushRouteInformation"
-         arguments:@{@"location" : @"/custom/route?query=test#fragment"}]);
+         arguments:@{@"location" : @"http://myApp/custom/route?query=test#fragment"}]);
 }
 
 - (void)testLaunchUrlWithFragmentNoQueryParameter {
@@ -118,8 +119,9 @@ - (void)testLaunchUrlWithFragmentNoQueryParameter {
                             openURL:[NSURL URLWithString:@"http://myApp/custom/route#fragment"]
                             options:@{}];
   XCTAssertTrue(result);
-  OCMVerify([self.mockNavigationChannel invokeMethod:@"pushRouteInformation"
-                                           arguments:@{@"location" : @"/custom/route#fragment"}]);
+  OCMVerify([self.mockNavigationChannel
+      invokeMethod:@"pushRouteInformation"
+         arguments:@{@"location" : @"http://myApp/custom/route#fragment"}]);
 }
 
 - (void)testReleasesWindowOnDealloc {
@@ -152,8 +154,9 @@ - (void)testUniversalLinkPushRouteInformation {
         restorationHandler:^(NSArray<id<UIUserActivityRestoring>>* __nullable restorableObjects){
         }];
   XCTAssertTrue(result);
-  OCMVerify([self.mockNavigationChannel invokeMethod:@"pushRouteInformation"
-                                           arguments:@{@"location" : @"/custom/route?query=test"}]);
+  OCMVerify([self.mockNavigationChannel
+      invokeMethod:@"pushRouteInformation"
+         arguments:@{@"location" : @"http://myApp/custom/route?query=test"}]);
 }
 
 @end