RangeSlider thumb's center doesn't align with division's center, thumb padding, and rounded corners don't work as expected #159586

import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  double _discreetSliderValue = 0.6;
  RangeValues _discreteRangeSliderValues = const RangeValues(0.2, 0.6);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        sliderTheme: const SliderThemeData(
          trackHeight: 32,
          thumbColor: Colors.green,
          activeTrackColor: Colors.deepPurple,
          inactiveTrackColor: Colors.amber,
        ),
      ),
      home: Scaffold(
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Text(
                'Discrete Slider',
                style: Theme.of(context).textTheme.titleMedium,
              ),
              Slider(
                  value: _discreetSliderValue,
                  divisions: 5,
                  onChanged: (double newValue) {
                    setState(() {
                      _discreetSliderValue = newValue;
                    });
                  }),
              Text(
                'Discrete Range Slider',
                style: Theme.of(context).textTheme.titleMedium,
              ),
              RangeSlider(
                values: _discreteRangeSliderValues,
                divisions: 5,
                onChanged: (RangeValues newValues) {
                  setState(() {
                    _discreteRangeSliderValues = newValues;
                  });
                },
              ),
            ],
          ),
        ),
      ),
    );
  }
}