Fix Swift compilation errors in iOS project

[codegen-sh]

This PR fixes several Swift compilation errors in the iOS project:

1. Fixed DispatchQueue.main.async(execute:) syntax issues in ChatViewController.swift by replacing with the standard DispatchQueue.main.async { } closure syntax.

2. Fixed UITableView initialization in AIViewController.swift by adding the required frame parameter.

3. Added override keyword to refreshContent() method in AIViewController.swift to properly override the protocol implementation.

4. Fixed Timer.scheduledTimer parameter in PerformanceViewController.swift by replacing the incorrect for: .common parameter with the correct userInfo: nil parameter.

5. Fixed code indentation and formatting in PerformanceViewController.swift.

These changes resolve all the compilation errors reported in the build log.

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