wx_button 2.0.4

Restructure the Flutter Button to allow for simpler styling and theming, ensuring it's not limited to specific platforms.

2.0.4

• Update to wx_sheet v4.8.0, Removed option to style checkmark

2.0.3

• Improved adaptive theme preset

2.0.2

• Improved adaptive theme preset
• Improved theme maybeOf

2.0.1

• Removed WxIconButtonEvent
• Improved theme merge

2.0.0

• Update to latest wx_sheet and refactor code.

1.0.0

• Added button widget.
• Added button style.
• Added button variant widget.
• Added button theme widget.
• Added button theme data.
• Added button theme preset.