only add with_parameters_from when in preview_query_engine feature

Author: analogrelay

sdk/cosmos/azure_data_cosmos/src/query/executor.rs

@@ -129,7 +129,7 @@ impl<T: DeserializeOwned + Send + 'static> QueryExecutor<T> {
 
             // No items, so make any requests we need to make and provide them to the pipeline.
             // TODO: We can absolutely parallelize these requests.
-            for mut request in results.requests {
+            for request in results.requests {
                 let mut query_request = if let Some(query) = request.query {
                     let mut query = Query::from(query);
                     if request.include_parameters {

sdk/cosmos/azure_data_cosmos/src/query/mod.rs

@@ -111,6 +111,7 @@ impl Query {
     /// Replaces all parameters in this [`Query`] instance with the parameters from another [`Query`] instance, and returns it.
     ///
     /// Since the parameters in the other query are already serialized, this method cannot fail.
+    #[cfg(feature = "preview_query_engine")]
     pub(crate) fn with_parameters_from(mut self, other: &Query) -> Self {
         self.parameters = other.parameters.clone();
         self