Markwoodard/submenu settings update

[mark-c-woodard]

🎫 https://stellarwp.atlassian.net/browse/KAD-3659

...

Checklist

• [x] I have performed a self-review.
• [x] No unrelated files are modified.
• [x] No debugging statements exist (Ex: console.log, error_log).
• [x] There are no warnings or notices in the wordpress error log.
• [ ] Passes all tests (linting, acceptance, & unit)

Block specific checklist (where relevant)

• [x] Tested with an existing instance of this block .
• [x] Tested creating a new instance of this block.
• [ ] Tested with Dynamic content & Elements.