Use enhanced enums instead of the current BitmaskConverter

[LuanRoger]

The Enhanced enums from Dart 2.17 is more convinient and fit better than the current solution in:

• https://github.com/LuanRoger/xinput_gamepad/blob/main/lib/src/utils/bitmask_converters/controller_battery_bitmask_converter.dart
• https://github.com/LuanRoger/xinput_gamepad/blob/main/lib/src/utils/bitmask_converters/controller_capabilities_bitmask_converter.dart
• https://github.com/LuanRoger/xinput_gamepad/blob/main/lib/src/utils/bitmask_converters/input_bitmask_converter.dart

References

Dart Enhanced Enum Classes - Feature Specification Dart 2.17: Productivity and integration - Medium

[LuanRoger]

• Done in 4d35b8c42376375b711923fbdd00f0a15179ac18