Fix error msg when adding Window node from Aliyun
Fix error msg when adding Window node from Aliyun

**Problem:**
Occurring error when adding Windows node from Aliyun, it seems we could
not find the Docker named pipe from Aliyun Windows node, however, the
Docker is running.

**Solution:**
Give a warning msg to user when we could not find the Docker named pipe.

**Issue:**
https://github.com/rancher/rancher/issues/20487

rancherio/rancher,rancher/rancher,cjellick/rancher,cjellick/rancher,rancher/rancher,rancher/rancher,cjellick/rancher,rancherio/rancher,rancher/rancher