fix(ffi): Adapt FFI calls to Client::server_vendor_info to the new API

Specially important, the one from `ClientBuilder::build` as it avoids a situation where the builder would infinitely try to get a response for this request and never create the `Client` or fail.

Author: jmartinesp

bindings/matrix-sdk-ffi/src/client.rs

@@ -1628,7 +1628,7 @@ impl Client {
     /// This method retrieves information about the server's name and version
     /// by calling the `/_matrix/federation/v1/version` endpoint.
     pub async fn server_vendor_info(&self) -> Result<matrix_sdk::ServerVendorInfo, ClientError> {
-        Ok(self.inner.server_vendor_info().await?)
+        Ok(self.inner.server_vendor_info(None).await?)
     }
 
     /// Subscribe to changes in the media preview configuration.

bindings/matrix-sdk-ffi/src/client_builder.rs

@@ -574,8 +574,12 @@ impl ClientBuilder {
 
         let sdk_client = inner_builder.build().await?;
 
+        // Disable retries for this request to prevent it from being retried
+        // indefinitely
+        let config = sdk_client.request_config().disable_retry();
+
         // Log server version information at info level.
-        if let Ok(server_info) = sdk_client.server_vendor_info().await {
+        if let Ok(server_info) = sdk_client.server_vendor_info(Some(config)).await {
             tracing::info!(
                 server_name = %server_info.server_name,
                 version = %server_info.version,