When selected the .euiResizableButton draggable element has a default z-index that is higher or equal to EuiHeader leading to this element being superimposed on top of any EuiHeader element.
See the following screenshot from the docs:

Is this the expected behaviour?
When selected the
.euiResizableButtondraggable element has a defaultz-indexthat is higher or equal toEuiHeaderleading to this element being superimposed on top of anyEuiHeaderelement.See the following screenshot from the docs:
Is this the expected behaviour?