Set a new SuiClient instance with the specified RPC node URL.
This function directly creates a new instance of the SuiClient, overriding the existing instance
and using the provided URL for future requests.
If the RPC node URL is different from the currently stored URL, a new instance of SuiClient will
be created and assigned, allowing the client to communicate with a new Sui node.
Set a new SuiClient instance with the specified RPC node URL. This function directly creates a new instance of the SuiClient, overriding the existing instance and using the provided URL for future requests.
If the RPC node URL is different from the currently stored URL, a new instance of SuiClient will be created and assigned, allowing the client to communicate with a new Sui node.