Correct Zone update success/fail message wording

[SteveMicroNova]

What does this change intend to accomplish?

Closes #1016
When I made the zone feedback snackbars, I made them far too simplistic to the point that the message is useless. I've reworded the messages to correct this

Checklist

• Have you tested your changes and ensured they work?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
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• If this is a UI change, have you tested it across multiple browser platforms on both desktop and mobile?