chore(toast): migrate from react-hot-toast to sonner and remove shared toast library

[TheoGrandin74]

Summary

• Removed the deprecated react-hot-toast dependency and replaced it with sonner for toast notifications.
• Updated toast usage across the application to align with the new library's API.
• Deleted the shared/toast library as it is no longer needed.
• Adjusted toast error handling to simplify parameters and improve functionality.

Video

Screenshots / Recordings

Testing

• Changes tested locally in the relevant Console's pages and Storybooks
• yarn test or yarn test -u (if you need to regenerate snapshots)
• yarn format
• yarn lint

PR Checklist

• I followed naming, styling, and TypeScript rules (see .cursor/rules)
• I performed a self-review (diff inspected, dead code removed)
• I titled the PR using Conventional Commits with a scope when possible (e.g. feat(service): add new Terraform service) - required for semantic-release
• I only kept necessary comments, written in English (watch for useless AI comments)
• I involved a designer to validate UI changes if I am not a designer
• I covered new business logic with tests (unit)
• I confirmed CI is green (Codecov red can be accepted)
• I reviewed and executed locally any AI-assisted code

[codecov]

Codecov Report

❌ Patch coverage is 44.73684% with 21 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (new-navigation@d9adfb2). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...ai-copilot-config/use-update-ai-copilot-config.tsx	0.00%	3 Missing ⚠️
...ared/ui/src/lib/components/toast/toast.stories.tsx	0.00%	3 Missing ⚠️
...b/hooks/use-create-variable/use-create-variable.ts	0.00%	2 Missing ⚠️
...ring-task/use-delete-ai-copilot-recurring-task.tsx	0.00%	2 Missing ⚠️
...ring-task/use-toggle-ai-copilot-recurring-task.tsx	0.00%	2 Missing ⚠️
...ture/src/lib/cluster-terminal/cluster-terminal.tsx	0.00%	1 Missing ⚠️
...ronment/use-cancel-deployment-queue-environment.ts	0.00%	1 Missing ⚠️
.../alert-rules-action-bar/alert-rules-action-bar.tsx	0.00%	1 Missing ⚠️
.../src/lib/onboarding-project/onboarding-project.tsx	0.00%	1 Missing ⚠️
...src/lib/settings-members/row-member/row-member.tsx	0.00%	1 Missing ⚠️
... and 4 more

Additional details and impacted files

@@                Coverage Diff                @@
##             new-navigation    #2632   +/-   ##
=================================================
  Coverage                  ?   44.90%           
=================================================
  Files                     ?     1137           
  Lines                     ?    23789           
  Branches                  ?     6901           
=================================================
  Hits                      ?    10683           
  Misses                    ?    11233           
  Partials                  ?     1873           

Flag	Coverage Δ
unittests	44.90% <44.73%> (?)

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[RemiBonnet]

LGTM 👍
I feel it’s a bit too slow, I wonder if you could improve how fast it appear and disappear 🤔