keep guiutils.center(self) as last constructor action

Author: notwithering

PINCE.py

@@ -429,10 +429,10 @@ def __init__(self):
         self.flashAttachButtonTimer.timeout.connect(self.flash_attach_button)
         self.flashAttachButton_gradiantState = 0
         self.flashAttachButtonTimer.start(100)
-        guiutils.center(self)
-
         self.is_scanning = False
 
+        guiutils.center(self)
+
     def settings_changed(self):
         if states.auto_attach:
             self.auto_attach_timer.start(100)