Rework how toggling factor reload works

gui/mainMenuBar.py

@@ -176,6 +176,10 @@ class MainMenuBar(wx.MenuBar):
         self.mainFrame.Bind(EVT_FIT_RENAMED, self.fitRenamed)
 
     def fitChanged(self, event):
+        event.Skip()
+        activeFitID = self.mainFrame.getActiveFit()
+        if activeFitID is not None and event.fitID is not None and event.fitID != activeFitID:
+            return
         enable = event.fitID is not None
         self.Enable(wx.ID_SAVEAS, enable)
         self.Enable(wx.ID_COPY, enable)
@@ -203,8 +207,6 @@ class MainMenuBar(wx.MenuBar):
             else:
                 self.ignoreRestrictionItem.SetItemLabel("Disable Fitting Re&strictions")
 
-        event.Skip()
-
     def fitRenamed(self, event):
         self.refreshUndo()
         event.Skip()