Bug report: "Group by this field" in Category doesn't work !

[blue3121]

Hi All !

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Bug report:

"Group by this field" in Category doesn't work !

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Steps to reproduce it:

1. Add column "Category"
2. Select in this column "Group by this field"
3. Now you have only a category grouped and not the grouping at first run (categories groups by type in the tree) .

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System Information:

on-line demo at:

https://demo-git.partkeepr.org

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Thanks All !

Best regards

Guido