The UI loads again after modifying a script.

1.Add a script and a texture to a new project; or use the provided project
2.Open the texture in the inspector view
3.Open the script in a text editor
4.Change some property (for instance, check 'Alpha is transparency'), see that Revert/Apply activates
5.Modify something on the script and save it
6.Change focus to the inspector windows, texture properties will be duplicated.

It worked correctly in
5.3.5f1, 5.4.1f1