In Web3ModalViewModel.init , what is the purpose of calling signInteractor.connect(walletUniversalLink: nil)?

[yushihang]

https://github.com/WalletConnect/web3modal-swift/blob/5d148bfceb9f6ec1b4d39dba63b9b8129b041ef0/Sources/Web3Modal/Sheets/Web3ModalViewModel.swift#L126

This function will be called each time while preparing connection to any wallet, so what is the purpose of calling it in the init() function?