## Problem
The `alternative` variant for `<Button>` has been deprecated but is
still used in a few places.
## Solution
- Migrate usages to the recommended `primary` variant
- Delete the `alternative` variant
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
* **Style**
* Updated several buttons across forms, logs, recent queries, and
release headers to use the primary visual style.
* Button styling is now more consistent throughout the app, with a
cleaner default emphasis for key actions.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->