AgoraRtcWrapper/AgoraPIPController.h file not found

### Version of the agora_rtc_engine

Could not build the precompiled application for the device.
Lexical or Preprocessor Issue (Xcode): 'AgoraRtcWrapper/AgoraPIPController.h' file not found
/Users/celebgaze/.pub-cache/hosted/pub.dev/agora_rtc_engine-6.6.3/ios/agora_rtc_engine/Sources/agora_rtc_engine/include/agora_r
tc_engine/AgoraRtcNgPlugin.h:2:8

### Platforms affected

- [ ] Android
- [x] iOS
- [ ] macOS
- [ ] Windows
- [ ] Web

### Steps to reproduce

Just install latest agora version and run

### Expected results

Run

### Actual results

AgoraRtcWrapper/AgoraPIPController.h' file not found

### Code sample

Code sample

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### Screenshots or Video

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### Logs

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### Flutter Doctor output

Doctor output

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