Password not showing when creating a VM in a powered off state.

### problem

When we create a virtual machine from a template with the password enabled, and we disable the “Start Instance” switch during creation, the password message does not appear after creation.

### versions

ACS 4.19.1.3
Ubuntu 24.04.1
KVM

### The steps to reproduce the bug

1. Go to Instances and press Add Instance button
2. Choose password enabled template
3. Turn off "Start Instance" switcher
4. Press Create Instance button
...

### What to do about it?

Users expect the password to be shown when creating a virtual machine, regardless of whether it’s powered on or off during creation. The current behavior, where the password is not displayed when the VM is powered off, is confusing.

先查看已關閉的 pull request #10720，然後透過從停用「Start Instance」的啟用密碼範本建立執行個體來重現問題。完成的標準是：建立後顯示密碼訊息，無論新的 VM 是以開機狀態啟動還是保持關機狀態。

由索引模型根據 Issue 內容生成。