create descriptor based wallet by default

Author: sandipndev

src/lib.rs

@@ -194,7 +194,7 @@ impl BitcoinD {
                 // the call is succesfull not in the returned value.
                 if client_base.call::<Value>("getblockchaininfo", &[]).is_ok() {
                     client_base
-                        .create_wallet("default", None, None, None, None, None)
+                        .create_wallet("default", None, None, None, None, Some(true))
                         .unwrap();
                     break Client::new(&node_url_default, Auth::CookieFile(cookie_file.clone()))
                         .unwrap();