There was also a little discussion/thread related to the article linked.
There is something to consider though, whether the Fairphone 3 supports video out. My Essential mata has DisplayPort via USB-C and an old LG G3 has SlimPort. Either of those can be used in a desktop fashion which is nice.
Neither gsmarena nor phonearena has specs for the FP phones so I went checking around. I don’t see any specs anywhere mentioning video out. Maybe other Fairphone users can chime in on that.
Found a discussion out there mentioning using something called a DisplayLink adapter that might work.
If one is interested in a desktop mode then check specs carefully of any device one is interested in.