Loss of editor focus after selecting import triggered by keymapping

[tylerFowler]

After using the keymapping from the atom-ide diagnostic UI (option+a by default) and triggering the "add import" code action, editor focus is lost after choosing an import. Note that this only occurs when there are multiple possible imports, if the autoImportActionProvider chooses an import directly then focus is returned to the editor after importing. So this is likely an issue with the select list that is displayed for multiple options.