Breakdown of graphs do not work anymore.

[nino-filigran]

Description

Breakdown of graph do not work when using an entity.

Environment

Demo

Steps to reproduce

1. Brekadwon by entity

• create a dash
• add a widget
• select the "knowedge graph" visualisation
• add the following as a relation "source type = malware AND relation type = targets AND target type = country"
• click on the + to add a new entity
• add the following attributes "entity type = malware AND relation type = targets"
• in the visualisation, select "malware types"
• validate

2. Breakdwon by relation

• create a dash
• add a widget
• select the "knowedge graph" visualisation
• add the following as a relation "source type = malware AND relation type = targets AND target type = country"
• click on the + to add a new relation
• add the following attributes "source type = malware AND relation type = targets"
• in the visualisation, select "entity type"
• in the visu, display the source for each.
• validate

Expected output:

1. breakdown by entity: We should see a list of mawlare targeting some countries, broken down by the amount of types of malware.
2. breakdown by relation: We should see a list of mawlare targeting some countries, broken down by the amount relations having as source malware and as a relation targets.

Current output:

1. Breakdown by entity: it does not work. We see a list which is not broken down and when hovering, the value is "others = value of the line".
2. Breakdown by relation: it works, we see a list of relations broken down.
   

[nino-filigran]

@SamuelHassine just to be clear, I've specified 2 scenarios (adding an entity to breakdwon and adding a relation to breakdown) and the relation one is working as expected.

[SamuelHassine]

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