b3b5646a30
Don't close the window when clicking on Import. Changing "OK" to "Import" makes it clear what action is being taken by the button. I quite frequently imported several files from different directories using "Apply" and then would click on OK to finish using the dialog only to have the last import occur again unintentionally. Another option would of been to change "Apply" to "Import" and "OK" to "Import and Close" and not have a Close button.
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