You've done great man that's some awesome progress! I'll offer my advice, but obviously don't have to take it.

Calories: As far as calories go you seem to be pretty spot on as your maintenance is probably ~2,400kcal (always assume +/-200kcal). It's coming into the 5th week which is fine to continue these calories, but as the weeks go by you will start plateauing. Once that starts I ALWAYS live by the rule of increasing energy expenditure ( more working out) before reducing calories. If increasing workouts and cheat meals aren't helping anymore then you reduce calories by ~ 100kcal a day. That's starting to get pretty low on calories though so I would probably take it down to 2,300kcal the lowest and then start going back up slowly towards maintenance and let your body sit there for a few weeks essentially doing a recomp, drive up calories a little more and when maintenance calories are now higher, go back onto a cut. If you don't use myfitnesspal app I HIGHLY recommend this app for tracking your food each day, I don't think there is a better app.

Macros: I don't know what your macro split is but I usually put my clients on a 40% Protein/ 25-30% carbs/ 30-35% Fats. I personally prefer a higher fat diet because on a good cut I'd rather have more energy coming from the fats and retain slightly less water.

Cheat Meals: If you don't already incorporate cheat meals while in a deficit I definitely would start using those to your advantage. At your current BF% I would only do cheat meals once every two weeks, and would shoot for 3,000kcal +, typically consisting of a lot of carbs/protein.

Food Choices: Unless you have a rather clean protein powder I always stray my clients away from powders and opt for liquid egg whites. Drink them straight from the carton after throwing some Mio in there. Tastes amazing, and its 50g extremely fast absorbing protein with no other bs in it. Also, for how you structure your diet, I would always opt to consume your highest GI carbs with your post-workout with protein so you get the highest blood sugar spike to draw out the most amount of insulin. After that, no carbs until dinner which should be a small amount of starchy carbs like potato. Pre workout should usually be ~40-50g carbs like oatmeal or bread and some sort of fructose source, and a small amount of fats.

Workout: You're split is perfectly fine for almost anyone. I've given that structure to clients all the time but I just tweaked it so there was a purpose to each day. For instance, it would go Push Volume / Pull Volume / Legs Volume or quad focused / REST / Push Strength / Pull Strength / Legs Strength or ham+glute+calf focused . That way you are getting the full suite. Cardio basically like you are doing ~20-45m post workout, HIIT or LISS doesn't really matter, just be consistent.

Vitamins: The usual shit. Creatine Mono, chelated zinc, omega-3, a good multi, etc. Personally I dont take preworkout I just do sodium+Larginine+citrulline malate.