Add config for preferring / ignoring prelude modules in find_path

crates/ide-assists/src/handlers/extract_function.rs

@@ -163,6 +163,7 @@ pub(crate) fn extract_function(acc: &mut Assists, ctx: &AssistContext<'_>) -> Op
                         ModuleDef::from(control_flow_enum),
                         ctx.config.insert_use.prefix_kind,
                         ctx.config.prefer_no_std,
+                        ctx.config.prefer_prelude,
                     );
 
                     if let Some(mod_path) = mod_path {