Wallet App opening even if user hits on Cancel

[quetool]

Upon requesting to open a Wallet App the wallet is opened even if the user hits Cancel in the Confirm Dialog. This is because we are throwing an exception instead of just communicating the Cancel action.

Issued line here: https://github.com/WalletConnect/WalletConnectModalFlutter/blob/7b076a81b86e5be5e9d881fe9e8ebc6886521949/lib/services/utils/url/url_utils.dart#L107C14-L107C14