[ui] Only centralizing the panel for the first refresh

CHANGELOG.md

@@ -21,6 +21,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### UI
 - Default **Type** icon removed from the Type filter to make the design more consistent with the Category filter.
+- Only centralizing the panel for the first refresh
 
 ## [0.8.0] 2019-12-24
 ### Features

bauh/view/qt/window.py

@@ -843,7 +843,8 @@ class ManageWindow(QWidget):
             if self.ref_bt_upgrade.isVisible() and self.bt_upgrade.visibleRegion().isEmpty():
                 self.adjustSize()
 
-        qt_utils.centralize(self)
+        if self.first_refresh:
+            qt_utils.centralize(self)
 
     def update_selected(self):
         if self.pkgs: