[ios] Fixed crash on cold start while opening om:// or https://omaps.app/ links

Signed-off-by: Alexander Borsuk <me@alex.bio>

iphone/Maps/Classes/MapViewController.mm

@@ -356,6 +356,14 @@ NSString *const kPP2BookmarkEditingSegue = @"PP2BookmarkEditing";
   */
 }
 
+- (void)viewDidAppear:(BOOL)animated {
+  [super viewDidAppear:animated];
+  // Cold start deep links should be handled when the map is initialized.
+  // Otherwise PP container view is nil, or there is no animation/selection of the point.
+  if (DeepLinkHandler.shared.isLaunchedByDeeplink)
+    (void)[DeepLinkHandler.shared handleDeepLink];
+}
+
 - (void)viewDidLayoutSubviews {
   [super viewDidLayoutSubviews];
   if (!self.mapView.drapeEngineCreated)

iphone/Maps/Core/DeepLink/DeepLinkHandler.swift

@@ -16,6 +16,11 @@
   }
 
   func applicationDidOpenUrl(_ url: URL) -> Bool {
+    // On the cold start, isLaunchedByDeeplink is set and handleDeepLink() call is delayed
+    // until the map view will be fully initialized.
+    guard !isLaunchedByDeeplink else { return true }
+
+    // On the hot start, link can be processed immediately.
     self.url = url
     return handleDeepLink(url: url)
   }