When trying to edit a Text Field (multi-line) Custom Field using in-line edit it will not allow you to click on the check button

When trying to edit a Text Field (multi-line) Custom Field using in-line edit when viewing an issue, it will not allow you to click on the check button if there is another field bellow it.

See attached screenshot to better understand.

Workaround

After clicking in the field to edit it, click at another place in the screen to exit editing.