Merge #408: Gui fix minor style

291895e5ff7a64541bfe5a09ad3d57f1ce7c53f6 fix progress bar background (edouard)
85f6849242ae3fc6f869c3407ec6d68ad277264c fix spend step foreground color (edouard)

Pull request description:

ACKs for top commit:
  edouardparis:
    Self-ACK 291895e5ff7a64541bfe5a09ad3d57f1ce7c53f6

Tree-SHA512: b51bf64a670cc00fdaa950929823cf52346f8d6cb866d5651df36d3ed77de198414f052860cfc21982cdc34945dc576101df4789cb1ba5a3fa747fa701a5d5dc

gui/src/app/view/spend/step.rs

@@ -78,6 +78,7 @@ pub fn choose_recipients_view<'a>(
                         button::primary(None, "Next").width(Length::Units(100))
                     }),
             )
+            .style(theme::Container::Foreground)
             .padding(20),
         ),
     )
@@ -184,6 +185,7 @@ pub fn choose_coins_view<'a>(
                         button::primary(None, "Next").width(Length::Units(100))
                     }),
             )
+            .style(theme::Container::Foreground)
             .padding(20),
         ),
     )

gui/ui/src/theme.rs

@@ -808,7 +808,7 @@ impl progress_bar::StyleSheet for Theme {
     type Style = ProgressBar;
     fn appearance(&self, _style: &Self::Style) -> progress_bar::Appearance {
         progress_bar::Appearance {
-            background: iced::Color::TRANSPARENT.into(),
+            background: color::GREY.into(),
             bar: color::GREEN.into(),
             border_radius: 10.0,
         }