[bug] can not use inspect -f "{{.Id}}" to get container id

[rudyfly]

Ⅰ. Issue Description

can not use pouch inspect -f "{{.Id}}" to get container id
use pouch inspect -f "{{.ID}}" is ok, so need to fix it.

Ⅱ. Describe what happened

Ⅲ. Describe what you expected to happen

Ⅳ. How to reproduce it (as minimally and precisely as possible)

Ⅴ. Anything else we need to know?

Ⅵ. Environment:

• pouch version (use pouch version):
• OS (e.g. from /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others:

[CodeJuan]

@rudyfly Would you please add more details of what you expected to happen at your convenience?
Thank you very much.