* Make the Pen tool show a path being closed by drawing a filled overlay when hovering the endpoint
* Add to_css to color.rs
* Check before unwrapping layer
* Close if in the right place
* Fix typo
* Format code
* Support discontinuous paths for closing preview
* Code review
* Denser fill lines
* Fill tool preview with strip lines only and revert pen shape-closing opacity
* Small adjustments to fill preview
* Fix line width of fill preview
* Use a pattern to preview the fill tool and fix canvas clearing
* Update pattern
* Simplify code
* Format code
* Use secondary color to preview fill if shift is pressed
* Code review
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Co-authored-by: Keavon Chambers <keavon@keavon.com>