on index templates don't show "close key info" when "in depth" field is empty

[ghwood]

URL

On index template pages like this one:

https://www7.ietf.org/how/runningcode/

Expected Behavior

Have it act like Standard index pages:

https://www7.ietf.org/how/runningcode/codestand/

Where options to close the "key info" section is not displayed when "in depth" field is info.

Actual Behavior

(include a screen shot if you like)

Reproducing

• Browser:
• OS: [Operating System name] [Version]
• (anything else you think we might need to reproduce this)

[ghwood]

fixed.