Form builder text overflows on long links

[twschiller]

Describe the bug

• https://pixiebrix.slack.com/archives/C0436P48QHY/p1713284639850729

To Reproduce

• Include a long link in a form description

Actual behavior

• Text extends off the modal

Expected behavior

• Link text wraps

Workaround

• Use the markdown link syntax to render text vs. the raw link

Screenshots/Loom

Desktop (please complete the following information):

• Browser: Chrome
• Extension Version: 1.8.13-alpha.3-mv3