Fabric: Fixes AccessoryView not disappeared when pop up the page (#47311

)

Summary:
Fixes AccessoryView not disappeared when page poped up. After page pop up, we can see a white view it the bottom of scrren.

Fixed:
https://github.com/user-attachments/assets/90305720-656b-4546-8730-53b89fee7a66

Before:
https://github.com/user-attachments/assets/8e4fbea3-1882-48f8-aa5f-0c4e9ddc4efd

## Changelog:

[IOS] [FIXED] - Fabric: Fixes AccessoryView not disappeared when pop up the page

Pull Request resolved: #47311

Test Plan: RNTester InputAccessoryView example, repro steps please see the video above.

Reviewed By: christophpurrer

Differential Revision: D67455393

Pulled By: javache

fbshipit-source-id: b5d3a88bce41da77079eeb49fea8163f56d722dd

packages/react-native/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.mm

@@ -53,9 +53,4 @@ - (void)setFrame:(CGRect)frame
   [self layoutIfNeeded];
 }
 
-- (BOOL)canBecomeFirstResponder
-{
-  return true;
-}
-
 @end