Group Block: Show Error "Tooltip should be called with only a single child element. "

[torounit]

Describe the bug

Insert Group block, show error on console Tooltip should be called with only a single child element.

To reproduce
Steps to reproduce the behavior:
1 . Insert Group block
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

Editor version (please complete the following information):

• WordPress version: 5.4
• Gutenberg edbd8ae

[torounit]

I checked the children in Tooltip when the error occurs and found the following

[
" ",
<Button className="'block-editor-button-block-appender" />,
" "
]