FastFixedText
fun FastFixedText(placeholder: String, textProvider: () -> String?, modifier: Modifier = Modifier, color: Color = Color.Unspecified, style: TextStyle = LocalStyle.current, measurer: TextMeasurer = rememberTextMeasurer())
高性能 Text
自动跳过重组、布局阶段, 状态更新只发生在绘制阶段 适用条件：固定大小，已知占位，单行，裁切