fix(DataGrid): tabbing doesnt properly bring cell into view, when cell expanded in edit-mode

[Xiaoy312]

Fixes #4983

PR Type

What kind of change does this PR introduce?

• Bugfix

What is the current behavior?

When moving to the next cell using Tab and this cell's size changing from entering edit-mode, the scroll-into-view is performed based on its previous size from the normal-mode.

What is the new behavior?

The scroll-into-view is performed again, if the cell size grows within a short time frame.

PR Checklist

Please check if your PR fulfills the following requirements:

• Created a feature/dev branch in your fork (vs. submitting directly from a commit on main)
• Based off latest main branch of toolkit
• Tested code with current supported SDKs
• New component
  • Pull Request has been submitted to the documentation repository instructions. Link:
  • Added description of major feature to project description for NuGet package (4000 total character limit, so don't push entire description over that)
  • If control, added to Visual Studio Design project
• Sample in sample app has been added / updated (for bug fixes / features)
  • Icon has been created (if new sample) following the Thumbnail Style Guide and templates
• New major technical changes in the toolkit have or will be added to the Wiki e.g. build changes, source generators, testing infrastructure, sample creation changes, etc...
• Tests for the changes have been added (for bug fixes / features) (if applicable)
• Header has been added to all new source files (run build/UpdateHeaders.bat)
• Contains NO breaking changes

Other information

related: unoplatform/uno#14311