Undo/redo graphical properties

[bengaid]

Clicking the Undo button while the Graphical Properties tab is open does not update the undone value in the Graphical Properties tab.

First, I changed the label font size from 0.5 to 5. Then, I clicked “Undo” which reverted the label font size from 5 back to 0.5, but the tab on the right still shows 5 unless I reopen it