Staging-151

What's Changed

• #1612: Accessibility improvement - domain request modal gets read out twice - [ZA] by @zandercymatics in #3574
• #1300 - Accessibility improvement on "Start a new domain request" button [-KY] by @CocoByte in #3594
• #3140 - Maintain focus after filter selection [-NL] by @CocoByte in #3533
• #3584 / #3591 - Ensure unique and descriptive names for buttons and ensure errors have accessible names - [litterbox] by @zandercymatics in #3603
• 3464: Update domain requests fixtures to cumulatively create objects by @erinysong in #3593
• #3282 - Design Review - workflow for managing permissions in Django admin [EL] by @dave-kennedy-ecs in #3544

Full Changelog: staging-150...staging-151