feat: toast message component

[vahidm90]

What I did

Using the Overlays mixin, I added a toast component as requested in #1274

Todos

1. a better approach for dismissing toasts
2. tests

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Latest commit: f7a0f65

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[gerjanvangeest]

This PR is abandoned, please reopen and update it if you still want this fix applied in our codebase.