feat: Adds support for quickly navigating to recently created or existing requested changes

[tiagoapolo]

Thanks for submitting a PR! Please check the boxes below:

• I have added information to docs/ if required so people know about the feature!
• I have filled in the "Changes" section below?
• I have filled in the "How did you test this code" section below?
• I have used a Conventional Commit title for this Pull Request

Changes

Ref: #4114

• Replaced WarningMessage with InfoMessage, added new properties, and improved the handling of change requests.
• Added new properties to ExistingChangeRequestAlert
• Updates Toast position and layout to make it more visible for the user
• Adds Action property to Toast

Info Message

Toast

How did you test this code?

• Did regression testing for Toast component
• Tested both scheduled and request changes

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
flagsmith-frontend-preview	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 17, 2025 8:19pm
flagsmith-frontend-staging	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 17, 2025 8:19pm

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
docs	⬜️ Ignored (Inspect)	Visit Preview		Feb 17, 2025 8:19pm

[github-actions]

Docker builds report

Image	Build Status	Security report
ghcr.io/flagsmith/flagsmith-api-test:pr-5109	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-e2e:pr-5109	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api:pr-5109	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith:pr-5109	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-private-cloud:pr-5109	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-frontend:pr-5109	Finished ✅	Results ✅

[github-actions]

Uffizzi Preview deployment-60952 was deleted.

[kyle-ssg]

It'd be good to just get a second pair of eyes on the new toast placement, tested other bits and looks good