Remove UILabel top and bottom free space - swift

Question

Hi all. I'm trying to find a way to remove the white space (circled in the screenshot) above and below the text in a UILabel. I googled a lot, but i can't figure out. Thanks for help!
As #Sweeper asks, i attaching my code
#IBDesignable final class LabelWithoutPadding: UILabel {
override func drawText(in rect: CGRect) {
guard let context = UIGraphicsGetCurrentContext() else {
// At the first, i thought that it was insets, but this did not help at all
// So this code doesn't fix my problem
let insets = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
super.drawText(in: rect.inset(by: insets))
return
}
// Source https://stackoverflow.com/questions/35335068/how-to-use-coretext-to-replace-uilabel-in-swift
context.textMatrix = CGAffineTransform.identity;
// You can see height - 4
/*
It helped, but only for the bottom.
And it seems to me that this is a completely wrong decision.
Also, some labels stopped showing text because of this and the code below,
so I think that the solution has not been found.
*/
context.translateBy(x: 0, y: self.bounds.size.height - 4);
context.scaleBy(x: 1.0, y: -1.0);
let path = CGMutablePath()
path.addRect(self.bounds)
let str = NSMutableAttributedString(string: self.text ?? "")
// set font color
str.addAttribute(NSAttributedString.Key(rawValue: kCTForegroundColorAttributeName as String), value: self.textColor ?? Colors.contrastHighter , range: NSMakeRange(0, str.length))
// set font name & size
let fontRef = self.font ?? FontMaker.getFont(fontSize: 12, fontWeight: 400)
str.addAttribute(NSAttributedString.Key(rawValue: kCTFontAttributeName as String), value: fontRef, range:NSMakeRange(0, str.length))
let frameSetter = CTFramesetterCreateWithAttributedString(str)
let ctFrame = CTFramesetterCreateFrame(frameSetter, CFRangeMake(0, str.length), path, nil)
CTFrameDraw(ctFrame, context)
}
}