Search field in UI Builder's Library has no character limit

Steps to reproduce:

1. Open a Unity project 
2. Open the UI Builder via Window > UI Toolkit > UI Builder
3. In your web browser, go to Lorem Ipsum Generator and copy 100 paragraphs of Lorem Ipsum text
4. In the UI Builder window, paste the Lorem Ipsum text into the Search input field in the Library pane

Actual results: The entire clipboard of text is pasted into the input field and the editor starts having performance issues

Expected results: The search field has a char limit and not all the text is pasted in

Reproducible with versions: 6000.0.13f1

Not reproducible with versions: -

Can’t test with versions: 2022.3.39f1 (no search input), 2021.3.40f1 (no search input)

Tested on (OS): Windows 10. Windows 11

Notes:

• If enough text is typed/pasted into the Search field, the Editor will freeze up and/or crash