Show configuration in language server debug logs (#23084)

Release Notes:

- Added configuration sent on initialization to the `Server Info`
section of the language server logs.

crates/prettier/src/prettier.rs

@@ -282,8 +282,15 @@ impl Prettier {
             cx.clone(),
         )
         .context("prettier server creation")?;
+
+        let initialize_params = None;
+        let configuration = lsp::DidChangeConfigurationParams {
+            settings: Default::default(),
+        };
         let server = cx
-            .update(|cx| executor.spawn(server.initialize(None, cx)))?
+            .update(|cx| {
+                executor.spawn(server.initialize(initialize_params, configuration.into(), cx))
+            })?
             .await
             .context("prettier server initialization")?;
         Ok(Self::Real(RealPrettier {