User selections are cleared when submitting a prompt

[pierremtb]

Reported by @greg-kcio on Slack at https://kittycadworkspace.slack.com/archives/C061R186RUZ/p1766183528851309

For example, click an edge, prompt "fillet this edge", and the selection clears (but is successfully sent to Zookeeper).

[lee-at-zoo-corp]

May be intentional someone needs to triage first