fix: use CODE_BUILDER_PROXY_URI since it's already authenticated

Author: abdulsattar

src/commands/lightning/dev/component.ts

@@ -91,9 +91,9 @@ export default class LightningDevComponent extends SfCommand<ComponentPreviewRes
     let ldpServerUrl;
 
     // In Code Builder, we cannot go to localhost - we need to use a proxy URI to get to the ldpServer
-    if (process.env.SF_CONTAINER_MODE && process.env.VSCODE_PROXY_URI) {
+    if (process.env.SF_CONTAINER_MODE && process.env.CODE_BUILDER_PROXY_URI) {
       logger.debug('In Code Builder Mode - using proxy URI');
-      ldpServerUrl = process.env.VSCODE_PROXY_URI.replace('https://', 'ws://').replace(
+      ldpServerUrl = process.env.CODE_BUILDER_PROXY_URI.replace('https://', 'ws://').replace(
         '{{port}}',
         `${serverPorts.httpPort}`,
       );