v1.20.0

1.20.0

• FIX: SpriteButtonComponent to initialize sprites in onLoad (#3302). ([1204216](https://github.com/flame-engine/flame/commit/
• FIX: ViewportAwareBounds component and lifecycle issues (#3276). (026bf41f)
• FEAT: Add ComponentTreeRoot.lifecycleEventsProcessed future (#3308). (ebc47418)
• FEAT: Adding paint attribute to SpriteWidget and SpriteAnimationWidget (#3298). (a5338d0c)
• FEAT: Adding tickOnLoad to TimerComponent (#3285). (0113aa37)
• DOCS: Include information about the Flame DevTools extension in example readme (#3288). (76a9abaf