fix(react-draggable-dialog): sync internal dropPosition with external position prop

[themechbro]

Summary
This PR fixes a bug where the DraggableDialog would jump or teleport if the position prop was updated externally.

Changes

• Replaced useEffect with onDragStart to properly synchronize the internal dropPosition with the external position prop at the moment dragging begins.
• Reverted unrelated changes in react-chat package types.
• Updated useDraggableDialog.test.ts to include the new onDragStart return value.

Testing

• Verified fix in Storybook using X/Y input controls.
• All unit tests in react-draggable-dialog are passing.

Fixes #606
cc: @microsoft/teams-prg

[dmytrokirpa]

Thanks for the PR, but it needs some changes

[dmytrokirpa]

@themechbro Could you please update failing tests and run yarn change to generate a changeset file describing your changes.

thank you!

[ManniMansoor]

pls provide further instruction - quite bigh spark, fork generated from code
Thanks & Kind regards
Mansoor

[themechbro]

@themechbro Could you please update failing tests and run yarn change to generate a changeset file describing your changes.

thank you!

Updated to use onDragStart, reverted the unrelated chat types, and updated the hook tests to match!

[dmytrokirpa]

@themechbro Could you please update failing tests and run yarn change to generate a changeset file describing your changes.
thank you!

Updated to use onDragStart, reverted the unrelated chat types, and updated the hook tests to match!

Thank you, @themechbro! But I think you missed this part:

run yarn change to generate a changeset file describing your changes

So you might need to:

• run yarn change from the repo root
• use patch and fix: sync internal dropPosition with external position prop as a message
• commit and push the change file

Also, please make sure to update the PR description so someone form @microsoft/teams-prg could review it