Fix: Wolt dialog type position animation updated

[durannumit]

Description

This PR adds position animations for dialogs when they appear and disappear. The animation creates a more polished and engaging user experience by adding a slight vertical movement to the dialog. This was added according to Wolt Design System.

Before Dialog	After Dialog

Checklist

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• [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs.
• [x] My PR includes tests for all changed/updated/fixed behaviors.
• [ ] All existing and new tests are passing.
• [x] I updated/added relevant documentation (doc comments with ///).
• [x] The analyzer (melos run analyze) does not report any problems on my PR.
• [x] The package compiles with the minimum Flutter version stated in the pubspec.yaml

Breaking Change

Does your PR require plugin users to manually update their apps to accommodate your change?

• [ ] Yes, this is a breaking change.
• [x] No, this is not a breaking change.

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit d7361c6):

• https://coffeemakerexample--pr246-adjust-dialog-transi-mvk50vht.web.app
• https://playgroundwoltexample--pr246-adjust-dialog-transi-ocni293x.web.app
• https://playgroundnavigator2woltexample--pr246-adjust-dialog-t-jhzbu2n7.web.app
• https://coffeemakernavigator2--pr246-adjust-dialog-transi-4yiftzzj.web.app

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