Fix the completions being too slow (#19013)

Closes https://github.com/zed-industries/zed/issues/19005

Release Notes:

- Fixed completion items inserted with a delay
([#19005](https://github.com/zed-industries/zed/issues/19005))

---------

Co-authored-by: Antonio Scandurra <antonio@zed.dev>

crates/lsp/src/lsp.rs

@@ -631,7 +631,8 @@ impl LanguageServer {
                                     "filterText".to_string(),
                                     "labelDetails".to_string(),
                                     "tags".to_string(),
-                                    "textEdit".to_string(),
+                                    // NB: Do not have this resolved, otherwise Zed becomes slow to complete things
+                                    // "textEdit".to_string(),
                                 ],
                             }),
                             insert_replace_support: Some(true),