Midnight Blue Colorful shall inherit Colorful icons

For some reason this makes the entries on the combo-box huge when covered. It was never bold on windows anyways.

dist/qt_themes/colorful_dark/icons/index.theme

@@ -1,7 +1,7 @@
 [Icon Theme]
 Name=colorful_dark
 Comment=Colorful theme (Dark style)
-Inherits=default
+Inherits=colorful
 Directories=16x16
  
 [16x16]

dist/qt_themes/colorful_midnight_blue/icons/index.theme

@@ -1,7 +1,7 @@
 [Icon Theme]
 Name=colorful_midnight_blue
 Comment=Colorful theme (Midnight Blue style)
-Inherits=default
+Inherits=colorful
 Directories=16x16
 
 [16x16]

dist/qt_themes/qdarkstyle_midnight_blue/style.qss

@@ -1257,10 +1257,6 @@ QComboBox::item:alternate {
   background: #19232D;
 }
 
-QComboBox::item:checked {
-  font-weight: bold;
-}
-
 QComboBox::item:selected {
   border: 0px solid transparent;
 }

src/yuzu/main.cpp

@@ -2927,7 +2927,7 @@ void GMainWindow::filterBarSetChecked(bool state) {
 }
 
 void GMainWindow::UpdateUITheme() {
-    const QString default_icons = QStringLiteral(":/icons/default");
+    const QString default_icons = QStringLiteral("default");
     const QString& current_theme = UISettings::values.theme;
     const bool is_default_theme = current_theme == QString::fromUtf8(UISettings::themes[0].second);
     QStringList theme_paths(default_theme_paths);
@@ -2943,7 +2943,6 @@ void GMainWindow::UpdateUITheme() {
             qApp->setStyleSheet({});
             setStyleSheet({});
         }
-        theme_paths.append(default_icons);
         QIcon::setThemeName(default_icons);
     } else {
         const QString theme_uri(QLatin1Char{':'} + current_theme + QStringLiteral("/style.qss"));
@@ -2955,10 +2954,7 @@ void GMainWindow::UpdateUITheme() {
         } else {
             LOG_ERROR(Frontend, "Unable to set style, stylesheet file not found");
         }
-
-        const QString theme_name = QStringLiteral(":/icons/") + current_theme;
-        theme_paths.append({default_icons, theme_name});
-        QIcon::setThemeName(theme_name);
+        QIcon::setThemeName(current_theme);
     }
 
     QIcon::setThemeSearchPaths(theme_paths);