Add extra data parameter

[TheValkDokk]

Description

Adds support for an extra parameter to the WoltModalSheet navigation system, allow passing additional data when navigating between pages within a modal sheet.

Related Issues

No, just add feature

Checklist

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• I read the Contributor Guide and followed the process outlined there for submitting PRs.
• My PR includes tests for all changed/updated/fixed behaviors.
• All existing and new tests are passing.
• I updated/added relevant documentation (doc comments with ///).
• The analyzer (melos run analyze) does not report any problems on my PR.
• 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.
• No, this is not a breaking change.