[MacOs] Fixed global font size scale

- simply adjust scale factor for Mac separately

src/libs/core/tnootkaqml.cpp

@@ -349,6 +349,8 @@ qreal TnootkaQML::lightness(const QColor& c) const {
 int TnootkaQML::fontSize() {
 #if defined (Q_OS_ANDROID)
   return Tmtr::fingerPixels() * 0.3 * GLOB->guiScale();
+#elif defined (Q_OS_MAC)
+  return Tmtr::fingerPixels() * 0.7 * GLOB->guiScale();
 #else
   return Tmtr::fingerPixels() * 0.45 * GLOB->guiScale();
 #endif