fix: 紧急修复 Xcode26.2, iOS26.2 版本下，NavigationBar引发的闪退问题。

[iStarEternal]

terminating due to uncaught exception of type NSException
*** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<UIKit._UINavigationBarVisualProviderModernIOSSwift 0x106533e80> valueForUndefinedKey:]: this class is not key value coding-compliant for the key contentView.' ***

[tencent-adm]

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