Mate you’ll be fine I had a very colourful youth including several stints in Borstal and jail have passed an enhanced dbs in the care home I work as long as your upfront tell them you had things in your younger days but be a bit vague you are an adult now and it’s all good, half the stuff had disappeared probably due to the old paper filing systems not being added to the digital era and by the time the results come through you should have made a good impression with the people who employ you, you can only fail at things you don’t try