JiveXML: Update xAODRetrieversConfig.py to enable GN2 in event display

Liaoshan Shirequested to merge
lshi-24.0-patch-02362 into 24.0

Update xAODRetrieversConfig.py to enable GN2 in event display.

Mentioning ATLASRECTS-7592.

CC @myexley @beltran @emoyse

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