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Bug
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    Resolution: Fixed
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Major
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    4.3.0
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    None
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    None
 
- 
        4.3 RC2
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        1 - Middle term
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        1 - Easy
 
Steps to reproduce:
- Open a tool through a button of the ribbon
 - Set the focus on another tool in another zone
 - Click on the ribbon button to open or focus the first tool
 - The tool is removed from the view instead of being focused