Cube viewer: wrong default behaviour of element selection when launching subset editor on grid dimensions
Describe the bug
The answer may come back that the current behaviour is "by design" however that would be disapointing as the current behaviour is very annoying for users and contrary to what the user wants to achieve when opening the subset editor for a row or column dimension.
When the subset editor is launched and a different subset picked and OK selected then as long as no cell is active in the subset editor grid no selection is interpreted as "select all" so the current set becomes the set when returning to the cube viewer. However, if the set is changed in any way, e.g. consolidated element(s) expanded or collapsed then the focus in the subset editor is the cell of the last consolidated element that is expanded/collapsed and this is interpreted as "only select this element".
When the user opens the subset editor for a row or column it is their intention to change the set that is displayed. What they want is the elements which they have displayed not selected in the subset editor when clicking OK. With the current behaviour to get the whole set that is displayed the user needs to manually drag the mouse to select all the elements or use Ctrl+A.
It's just really annoying and not intuitive as what you want is simply to take all the elements currently displayed when clicking OK. The default behaviour should be changed. If a user wants to display only one element then they should do this by clicking the "Keep" button and then click OK. This would be much more logical and save clicks and frustration for users.
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