client: wait longer for installation

This installs from pypi so it can take time

client/src/extension.ts

@@ -54,7 +54,7 @@ function isPythonVersionCompatible(python: string): boolean {
 }
 
 async function shortDelay() {
-  return new Promise((resolve) => setTimeout(resolve, 1000));
+  return new Promise((resolve) => setTimeout(resolve, 3000));
 }
 
 export async function activate() {