Do not show zero count while still loading real numbers

What does this MR do and why?

(This change affects only our unreleased Vue version of the To-do page.)

Do not show zero count while still loading real numbers

It's better to show no number than a wrong one.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

recording_1728647653256

How to set up and validate locally

• Reload http://gdk.test:3000/dashboard/todos/vue and watch out for the - in the badges, before the counts are loaded.
• To slow down the loading time, add a sleep 1 in app/finders/todos_finder.rb.