Update Schematic from Library

Altium BugCrunch #839 : 

 Position of refdes after update from library.

1. Open SCH List Panel. Select All Objects > Include only Parts. 
2. Copy current Orientation, and Mirror-status to a spreadsheet.
3. Set to 0 and non-mirrored. 
4. Perform library update.
5. Copy spreadsheet data over SCH List data to recover original positions.

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