pylsp: Prefer version from user venv (#21069)

Closes #ISSUE

Release Notes:

- pylsp will now use version installed in user venv, if one is
available.

crates/language_extension/src/extension_lsp_adapter.rs

@@ -115,6 +115,7 @@ impl LspAdapter for ExtensionLspAdapter {
     fn get_language_server_command<'a>(
         self: Arc<Self>,
         delegate: Arc<dyn LspAdapterDelegate>,
+        _: Arc<dyn LanguageToolchainStore>,
         _: LanguageServerBinaryOptions,
         _: futures::lock::MutexGuard<'a, Option<LanguageServerBinary>>,
         _: &'a mut AsyncAppContext,