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>

editor/Cargo.toml

@@ -23,7 +23,7 @@ ron = ["dep:ron"]
 graphite-proc-macros = { workspace = true }
 graph-craft = { workspace = true }
 interpreted-executor = { workspace = true }
-graphene-std = { workspace = true }
+graphene-std = { workspace = true } # NOTE: `graphene-core` should not be added here because `graphene-std` re-exports its contents
 preprocessor = { workspace = true }
 
 # Workspace dependencies
@@ -33,7 +33,6 @@ bitflags = { workspace = true }
 thiserror = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
-bezier-rs = { workspace = true }
 kurbo = { workspace = true }
 futures = { workspace = true }
 glam = { workspace = true }