ScriptEditor is hidden before asking to save scripts

[hinerm]

ScriptEditor is CloseConfirmable so it should present the save dialog for its scripts before being hidden. The fact that it isn't suggests it may be getting picked up by the IJ1 close mechanism first.

My first guess is that there could be a parent/child problem where the editor window is being hidden even though child windows aren't ready yet.. so it could just be a traversal order problem

[ctrueden]

The Script Editor is only one window, though, with multiple tabs... so further investigation needed.

To reproduce:

• Open ImageJ.
• Press [ for Script Editor.
• Type asdf into the box.
• Quit ImageJ using File > Quit.
• Watch the Script Editor window disappear before the "Do you want to save changes?" dialog appears—twice. (The fact that it appears twice is a second but probably related bug, I guess.)