Attempt to make FancyTabBar less ugly on certain dpi screens

ThirdParty/GUI/qt-manhattan-style/stylehelper.cpp

@@ -468,8 +468,11 @@ void StyleHelper::drawIconWithShadow(const QIcon& icon, const QRect& rect, QPain
         //        tmp);
 
         // Draw the actual pixmap...
+        int space = p->fontMetrics().horizontalAdvance('M') * 0.5;
         cachePainter.drawPixmap(
-            QRect(QPoint(radius, radius) + offset, QSize(px.width(), px.height())), px);
+            QRect(QPoint(radius, radius) + offset, QSize(px.width(), px.height()))
+                .marginsRemoved(QMargins(space, space, space, space)),
+            px);
         cachePainter.end();
         cache.setDevicePixelRatio(devicePixelRatio);
         QPixmapCache::insert(pixmapName, cache);