Make error dialog window like any other auxiliary window - do not keep it on top

gui/errorDialog.py

@@ -67,7 +67,7 @@ class ErrorFrame(AuxiliaryFrame):
     def __init__(self, parent=None, error_title='Error!'):
         super().__init__(
             parent, id=wx.ID_ANY, title="pyfa error", pos=wx.DefaultPosition,
-            size=wx.Size(500, 600), style=wx.STAY_ON_TOP)
+            size=wx.Size(500, 600))
 
         from eos.config import gamedata_version, gamedata_date