Code: enable prettier trailing commas

editors/code/src/commands/on_enter.ts

@@ -3,7 +3,7 @@ import * as lc from 'vscode-languageclient';
 import { Server } from '../server';
 import {
     handle as applySourceChange,
-    SourceChange
+    SourceChange,
 } from './apply_source_change';
 
 export async function handle(event: { text: string }): Promise<boolean> {
@@ -18,12 +18,12 @@ export async function handle(event: { text: string }): Promise<boolean> {
     const request: lc.TextDocumentPositionParams = {
         textDocument: { uri: editor.document.uri.toString() },
         position: Server.client.code2ProtocolConverter.asPosition(
-            editor.selection.active
-        )
+            editor.selection.active,
+        ),
     };
     const change = await Server.client.sendRequest<undefined | SourceChange>(
         'rust-analyzer/onEnter',
-        request
+        request,
     );
     if (!change) {
         return false;