About 10 months, still have probs, esp. with sweetness, affects everything - food, beer and vaping. I'm used to it and accept it, otherwise it would drive me mad. It's not just loss of taste and smell, it's also altered taste and smell. Omicron OG was not so bad for taste and smell, but the BA.5 variant which is the dominant strain from around August 2022 onwards people report more severe taste and smell issues.
No point fighting it mate, you'll just get more stressed and pissed off, plus it's still early days. I measured progress in months, not days or weeks, that was with delta though, in most cases Omicron is less savage, certainly long term.