Description tab is missing scroll bar on create issue tab on Board External share page. Also, description tab cannot be resized.

Steps to reproduce

1. Create External share Board

2. Open link > Create Issue

3. Add large content in description

4. Observe Scroll bar is missing

Expected result

Scroll bar should be displayed on description on create issue tab on Board External share page.

Actual result

Description tab is missing scroll bar on create issue tab on Board External share page.