KFileWizard: fix the problem that focus is not moved to entry view

even if return is pressed on location line.
KFileWizard: move focus to entry view after connecing via Connect To...
KFileWizard: add focusToEntry argument

to setLocationText() and locationReturnPressed()
KFileWizard: fix the problem that location line is not selected all

after failing to connect via Connect to... or Open an address book...