[dash] + [scopes] Uninstallation confirmation screen inconsistent with other dialogs

The text on that button is according to design, as discussed in bug #1368252.

I'm adding Ubuntu UX to ask for input on the button colors.

    scopes::PreviewWidget buttons("buttons", "actions");
    scopes::VariantBuilder builder;
    builder.add_tuple({
       {"id", scopes::Variant(click::Preview::Actions::CLOSE_PREVIEW)}, // TODO: see bug LP: #1289434
       {"label", scopes::Variant(_("Cancel"))}
    });
    builder.add_tuple({
       {"id", scopes::Variant(click::Preview::Actions::CONFIRM_UNINSTALL)},
       {"label", scopes::Variant(_("Confirm"))}
    });
    buttons.add_attribute_value("actions", builder.end());
    widgets.push_back(buttons);

This is the code in the scope. We do not specify color or any real positioning. This also isn't actually a traditional "dialog" window. It's a preview in Unity8. Maybe the scopes API needs some sort of way to specify which button is the "affirmative" action. Aside from flipping the order of the two buttons in our code though, there is basically nothing the scope itself can do in this respect.

unity8 waiting for design -> Incomplete

We are currently working on the visual specifications for dialogs, notifications and the position and colours of the buttons used in those. The desired visual design for this 'confirmation screen' will be updated as soon as it's available.

- Design comment -
  04/09/2015

We are working on this project. Visuals will be attached asap as we have solution.