AXTextNode2 when clicked on seeMore sometimes working smooth but sometime flickering

[abbasnaqvi200]

if isSeeMore {
        self.sayText.truncationAttributedText = NSAttributedString(string: "...", attributes: SFAttribute.get(Attribute.themeColor, 
        .semiBold, fontSize))
        self.sayText.additionalTruncationMessage = NSAttributedString(string: "See more", attributes: 
        SFAttribute.get(Attribute.themeColor, .semiBold, fontSize))
        self.sayText.maximumNumberOfLines = 2
        
} else {
        self.sayText.maximumNumberOfLines = self.sayText.lineCount
        self.sayText.truncationAttributedText = NSAttributedString(string: " ", attributes: SFAttribute.get(Attribute.themeColor, 
        .semiBold, fontSize))
        self.sayText.additionalTruncationMessage = NSAttributedString(string: "See less", attributes: 
       SFAttribute.get(Attribute.themeColor, .semiBold, fontSize))
    }

self.sayText.attributedText = sayTextAttributedString

//When Clicked on SeemoreButton

func seeMoreClicked(type: String, node: HeaderNode) {
debugPrint("seeMoreClicked")
node.sayText.maximumNumberOfLines = node.sayText.lineCount
node.setNeedsLayout()
}

RecordIt-03EBA96F-A3BC-4998-960C-CCBE18F27BF5.mov