fix: RCTReactViewController properly check props to update

Author: okwasniewski

packages/react-native/Libraries/SwiftExtensions/RCTReactViewController.m

@@ -61,9 +61,12 @@ - (void)tapGesture:(UITapGestureRecognizer*)recognizer {
 
 - (void)updateProps:(NSDictionary *)newProps {
   RCTRootView *rootView = (RCTRootView *)self.view;
-  if (![rootView.appProperties isEqualToDictionary:newProps]) {
+  if (rootView.appProperties == newProps) {
+    return;
+  }
+  
+  if (newProps != nil && ![rootView.appProperties isEqualToDictionary:newProps]) {
     [rootView setAppProperties:newProps];
   }
 }
-
 @end

packages/react-native/Libraries/WindowManager/WindowManager.d.ts

@@ -1,6 +1,6 @@
 export interface WindowStatic {
   id: String;
-  open (props: Object): Promise<void>;
+  open (props?: Object): Promise<void>;
   update (props: Object): Promise<void>;
   close (): Promise<void>;
 }