Fix masking exit code

Addresses the part of #6367 that we can fix.

src/node/main.ts

@@ -52,12 +52,17 @@ export const runCodeCli = async (args: DefaultedArgs): Promise<void> => {
 
   try {
     await spawnCli(await toCodeArgs(args))
+    // Rather than have the caller handle errors and exit, spawnCli will exit
+    // itself.  Additionally, it does this on a timeout set to 0.  So, try
+    // waiting for VS Code to exit before giving up and doing it ourselves.
+    await new Promise((r) => setTimeout(r, 1000))
+    logger.warn("Code never exited")
+    process.exit(0)
   } catch (error: any) {
+    // spawnCli catches all errors, but just in case that changes.
     logger.error("Got error from Code", error)
     process.exit(1)
   }
-
-  process.exit(0)
 }
 
 export const openInExistingInstance = async (args: DefaultedArgs, socketPath: string): Promise<void> => {