Build error when included in existing iOS project in 0.63.4

[nickfujita]

Description

After updating from 0.63.3 to 0.64.3 there is a build error when using react-native in an existing iOS swift project.

React Native version:

0.63.4

Steps To Reproduce

While building in an existing iOS project the following errors prevent a successful build.
Definition of 'RCTAlertController' must be imported from module 'React.RCTAlertController' before it is required
Which causes the following error because it thinks it's a separate declaration
Duplicate interface definition for class 'RCTAlertController'

Expected Results

There should be no build errors related to unfound RCTAlertController.

After some digging, it seems this is caused by a recent fix in the patch version:
f319ff3#diff-56beca6ee071cdd162c269ce765ab12d5af8c8c0ca840bca1e9d1f59e9fab790

By updating the following import syntax the build issue is resolved.

Existing:
#import "RCTAlertController.h"

New:
#import <React/RCTAlertController.h>

[nickfujita]

Opened PR with fix for this issue:
#32457

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[github-actions]

This issue was closed because it has been stalled for 7 days with no activity.