fix lsp config reload (#9415)

`syn_loader` was replaced rather than interior value being replace,
old value was still being referenced and not updated after `:config-refresh`.
By using `ArcSwap` like for `config`, each `.load()` call will return the most
updated value.

Co-authored-by: kyfan <kyfan@email>

1 files changed, 2 insertions, 2 deletions

diff --git a/helix-term/src/ui/mod.rs b/helix-term/src/ui/mod.rs
index efa2473e..d27e8355 100644
--- a/helix-term/src/ui/mod.rs
+++ b/helix-term/src/ui/mod.rs
@@ -336,8 +336,8 @@ pub mod completers {
     pub fn language(editor: &Editor, input: &str) -> Vec<Completion> {
         let text: String = "text".into();
 
-        let language_ids = editor
-            .syn_loader
+        let loader = editor.syn_loader.load();
+        let language_ids = loader
             .language_configs()
             .map(|config| &config.language_id)
             .chain(std::iter::once(&text));