Same is true of Saudi Arabia. Their water is mostly desalinated sea water and have no shortages.
They have a long way to go. The lack of modernity is a problem that helped motivate the NEOM project, but ironically, trying to build that made those problems worse and will probably continue to.
https://en.wikipedia.org/wiki/Water_supply_and_sanitation_in_Saudi_Arabia#Service_quality
Along their Red Sea coast, the Saudis have been experimenting with brackish water irrigation, using seawater-tolerant plants, but those are not food plants, it’s about general refoliation. A quick search didn’t turn that up, but I have watched a legit documentary about it.
With this search, I found a lot about a couple of different projects which are no doubt buried in YouTube hyperbole:
saudi arabia seawater irrigation
https://search.brave.com/videos?q=saudi+arabia+seawater+irrigation