Move the pre-flight checklist to the upper left corner of the screen.

src/FlightDisplay/FlightDisplayView.qml

@@ -778,8 +778,8 @@ Item {
     //-- Checklist GUI
     Popup {
         id:             checklistDropPanel
-        x:              Math.round((mainWindow.width  - width)  * 0.5)
-        y:              Math.round((mainWindow.height - height) * 0.5)
+        x:              toolStrip.x + toolStrip.width + (ScreenTools.defaultFontPixelWidth * 2)
+        y:              toolStrip.y
         height:         checkList.height
         width:          checkList.width
         modal:          true