fix(crud-toolbar): flickering in refresh button COMPASS-8138

[ivandevp]

Description

Given the different size between refresh button and loading spinner, a flicker was visible when switching between states. This PR fixes that flickering.

Before:

After:

refresh-button-flickering-fixed.mov

Checklist

• New tests and/or benchmarks are included
• Documentation is changed or added
• If this change updates the UI, screenshots/videos are added and a design review is requested
• I have signed the MongoDB Contributor License Agreement (https://www.mongodb.com/legal/contributor-agreement)

Motivation and Context

• Bugfix
• New feature
• Dependency update
• Misc

Open Questions

There's still one flickering because when we jump into the loading state, we reset the counter until it's calculated again, causing the page size selector to reflow and the counter to hide/show. Any ideas on how to improve this?

Dependents

Types of changes

• Backport Needed
• Patch (non-breaking change which fixes an issue)
• Minor (non-breaking change which adds functionality)
• Major (fix or feature that would cause existing functionality to change)