[🚀uip-preview]: animate the size of `uip-preview` area smoothly when content changed

[ala-n]

As a UIP user, I want to have animation of the size of uip-preview area smooth when content changes.

[yadamskaya]

🎉 This issue has been resolved in version 2.0.0-beta.2 🎉

The release is available on:

• npm package (@beta dist-tag)
• GitHub release

Your semantic-release bot 📦🚀

[yadamskaya]

🎉 This issue has been resolved in version 2.0.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀