I also have this strange problem. 
However, I noticed that when I click on "Add Alias", the window does not appear in the middle but in the top left corner above the "OPNsense Logo".
I think the error is in the correct positioning of the edit window.
See attachment
			However, I noticed that when I click on "Add Alias", the window does not appear in the middle but in the top left corner above the "OPNsense Logo".
I think the error is in the correct positioning of the edit window.
See attachment
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