Set gui scale in metaDataChanged callback so ensure the correct one is shown

qtgui/pattern_grid.py

@@ -265,6 +265,11 @@ class PatternGrid(QtWidgets.QGraphicsScene):
 
         self._tracks[exportDict["id"]] = exportDict
 
+        self.scale.buildScale(exportDict["numberOfSteps"])
+        self.scale.setScale(exportDict["scale"])
+        self.scale.setNoteNames(exportDict["simpleNoteNames"])
+
+
         if force or self.parentView.parentMainWindow.currentTrackId == exportDict["id"]:
             self.trackName.setText(exportDict["sequencerInterface"]["name"])
             self.trackName.show()