Hello,
When a free action button is created, the tooltip text that assigned to the button is shown different position than built-in buttons' tooltips.
For instance:

Hi, Fixed
Hello Emre,
Sorry for late.
I couldn't close the issue because I didn't get a chance to check it yet.
It's nice to hear that the issue has been resolved.
Keep your great works up!
First of all thanks
@efkan please wait the next release :)
Update: This is done with 1.49.0