Firebase Authentication SwiftUI：重置密码后邮箱验证状态意外变为true

我在iOS应用中使用Firebase Authentication，已实现注册时的邮箱验证功能，登录时会检查邮箱是否验证，未验证的用户无法进入应用，这部分功能正常。但发现以下异常行为：

• 用户注册邮箱和密码，但未验证邮箱；
• 因邮箱未验证，无法进入应用；
• 用户未验证邮箱就发起密码重置；
• 重置密码完成后，用户可以进入应用，因为isEmailVerified变为了true。

我认为邮箱验证和密码重置是独立流程，isEmailVerified应该保持false，用户仍需验证邮箱才能进入应用。请问这是Firebase Authentication的预期行为吗？

相关代码 #

@MainActor
func signInWithEmail() async {
    isLoading = true
    
    validateEmail()
    validatePassword()
    
    if emailCredentials.email.isEmpty {
        emailValidationState.email = .invalid("Email is required")
        isLoading = false
        return
    }
    if emailCredentials.password.isEmpty {
        emailValidationState.password = .invalid("Password is required")
        isLoading = false
        return
    }
    
    guard case .valid = emailValidationState.email,
          case .valid = emailValidationState.password else {
        isLoading = false
        return
    }
    
    do {
        let result = try await authService.signInWithEmail(
            email: emailCredentials.email,
            password: emailCredentials.password
        )
        print("BBBB \(result.user.isEmailVerified)")
        if !result.user.isEmailVerified {
            emailVerificationState.credentials = AuthenticationModel.CreateAccountCredentials(
                email: emailCredentials.email,
                password: emailCredentials.password
            )
            emailVerificationState.email = emailCredentials.email
            try await result.user.sendEmailVerification()
            emailAuthAlert.message = AppConstants.Alert.Message.format(
                AppConstants.Alert.Message.emailVerificationSent,
                with: emailCredentials.email
            )
            emailAuthAlert.showAlert = true
            
        } else {
            handleSuccessfulAuthentication(for: .email)
        }
        
    } catch {
        handleAuthError(error, for: .emailAuth)
    }
    
    isLoading = false
}

@MainActor
func resetPassword() async {
    isLoading = true
    
    validateResetPasswordEmail()
    
    if resetPasswordCredentials.email.isEmpty {
        resetPasswordValidationState.email = .invalid("Email is required")
        isLoading = false
        return
    }
    
    guard case .valid = resetPasswordValidationState.email else {
        isLoading = false
        return
    }
    
    do {
        try await authService.resetPassword(email: resetPasswordCredentials.email)
        forgotPasswordAlert.message = AppConstants.Alert.Message.format(
            AppConstants.Alert.Message.passwordResetSent,
            with: resetPasswordCredentials.email
        )
        
        forgotPasswordAlert.showAlert = true
    } catch {
        handleAuthError(error, for: .forgotPassword)
    }
    
    isLoading = false
}

内容的提问来源于stack exchange，提问作者Tulon