The issue described above also occurs in multiple non Adobe applications when external displays are connected to Apple Silcon based Macs. BenQ (see link below) , Eizo and multiple others display vendors provide suggestions as to minimise the issue. To date, nobody, which includes Apple, has put forward a definitive fix. Lots of workarounds, but no actual fixes.
https://www.benq.eu/en-uk/knowledge-center/knowledge/how-to-fix-mac-m1-m2-external-monitor-flicker.html
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