The repair dialog does not allow to cancel if we did not select an item

[jecisc]

When there is a problem with an Iceberg repository there is the possibility to repair it and it opens a dialog.

Sometimes I click on this button by mistake and want to cancel my action. The problem is that the cancel button is disabled by default.

It gets enabled if I select an item of the list.

I see two improvements possible:

• Enable the button by default
• Select the first element of the list if it is not empty like this we can improve the keyboard management of the tool