Incorrect "Finish" button label

Bug:

• The final page of the installer contains text "Click Done to exit ... " however the button's label is Finish.

Expectation:

• The text which points an user to click the button should contain the correct (same) name of the QWizard::FinishButton (Finish / Done)

packagemanagergui.cpp:
Lines 2911 -> 2915

#ifdef Q_OS_OSX
    m_msgLabel->setText(tr("Click Done to exit the %1 Wizard.").arg(productName()));
#else
    m_msgLabel->setText(tr("Click Finish to exit the %1 Wizard.").arg(productName()));
#endif