moving floating dialogs

[pank0]

So...ver 2.10.24 finally ceased working for me and I switched over to 3.0.4 . Now, I am finding it almost impossible to move dialog boxes around the screen because of the mix/max buttons. Is there any way to get rid of them?
i.e. how can i change
this: https://imgur.com/a/mld2naR
back into something like this: https://imgur.com/a/cwl3YEP

[CmykStudent]

pank0: Hi! If you go to to Edit -> Preferences -> Window Management, what do you have the Window Manager Hint set to? When I have it set to Utility Window, the title bar looks like what you show in the second image.