Handle `BlendMode::Clear` in `GenericDrawTarget::fill()`
Handle `BlendMode::Clear` in `GenericDrawTarget::fill()`

KiChjang/servo,splav/servo,DominoTree/servo,DominoTree/servo,DominoTree/servo,splav/servo,splav/servo,DominoTree/servo,DominoTree/servo,KiChjang/servo,DominoTree/servo,KiChjang/servo,splav/servo,splav/servo,DominoTree/servo,splav/servo,splav/servo,splav/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo,splav/servo,DominoTree/servo,DominoTree/servo,splav/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo,DominoTree/servo