Fix 'Jitter Points' and 'Sample Polylines' working incorrectly with X or Y scale of 0 content (#3984)

* Fix NaN points produced by Sample Polylines on 0-scaled input

* Fix Jitter Points inverse transform for zero-scale axes and stop resetting stroke transform

* Remove a couple confusing Debug nodes

* Fix edge case

* Update demo art

* Fix order change in Jitter Points causing different results from earlier

* Fix bug in bisect tool

* Break out functionality into helper functions

editor/src/messages/portfolio/document/node_graph/document_node_definitions.rs

@@ -155,7 +155,7 @@ fn document_node_definitions() -> HashMap<DefinitionIdentifier, DocumentNodeDefi
 		// TODO: Auto-generate this from its proto node macro
 		DocumentNodeDefinition {
 			identifier: "Monitor",
-			category: "Debug",
+			category: "",
 			node_template: NodeTemplate {
 				document_node: DocumentNode {
 					implementation: DocumentNodeImplementation::ProtoNode(memo::monitor::IDENTIFIER),
@@ -1530,7 +1530,7 @@ fn document_node_definitions() -> HashMap<DefinitionIdentifier, DocumentNodeDefi
 		},
 		DocumentNodeDefinition {
 			identifier: "Extract",
-			category: "Debug",
+			category: "",
 			node_template: NodeTemplate {
 				document_node: DocumentNode {
 					implementation: DocumentNodeImplementation::Extract,