Fix datasource hostname decode against full config objects

internal/provider/data_source_domain.go

@@ -73,7 +73,7 @@ func (d *domainDataSource) Configure(_ context.Context, req datasource.Configure
 }
 
 func (d *domainDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) {
-	hostname, err := hostnameFromConfig(req.Config)
+	hostname, err := hostnameFromConfig(ctx, req.Config)
 	if err != nil {
 		resp.Diagnostics.AddError("Unable to parse data source configuration", err.Error())
 		return