Refactor the Centroid node and Subpath struct and methods to use Kurbo, eliminating all remaining usages of Bezier-rs (#3036)

* define Subpath struct in gcore and refactor node-graph

* Refactor few methods

* refactoring worked!

* refactor centoid area and length

* remove unused

* cleanup

* fix pathseg_points function

* fix tranforming segments

* fix segment intersection

* refactor to_path_segments fn in gpath-bool crate

* refactor gcraft

* add bezier-rs dep

* Code review the editor directory

* use path-bool for solving roots

* Code review

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>

node-graph/gcore/Cargo.toml

@@ -29,7 +29,6 @@ rustc-hash = { workspace = true }
 dyn-any = { workspace = true }
 ctor = { workspace = true }
 rand_chacha = { workspace = true }
-bezier-rs = { workspace = true }
 specta = { workspace = true }
 image = { workspace = true }
 tinyvec = { workspace = true }
@@ -38,6 +37,7 @@ skrifa = { workspace = true }
 kurbo = { workspace = true }
 log = { workspace = true }
 base64 = { workspace = true }
+poly-cool = { workspace = true }
 
 # Optional workspace dependencies
 serde = { workspace = true, optional = true }