Polish user-created subgraph nodes: imports in the Properties panel; reorder/delete/rename imports/exports (#2105)

* Remove imports/exports

* WIP: Autogenerated properties

* WIP: Input based properties

* WIP: Hashmap based input overrides

* Migrate noise pattern node to input properties

* Reorder exports

* Continue migrating properties

* WIP: Improve reorder exports

* Automatically populate all input properties for sub networks

* Complete reorder import and export

* Add widget override to node macro

* Migrate assign colors to input based properties

* WIP: Full node property override

* Node based properties override for proto nodes

* Migrate all node properties to be input based

* Rename imports/exports

* improve UI

* Protonode input valid implementations

* Valid type list

* Small formatting fixes

* Polishing small issues

* Document upgrade

* fix tests

* Upgrade noise pattern node

* remove console log

* Fix upgrade script for Noise Pattern

* Improve the Properties panel representation for graphical data

* Re-export demo art

* Code review

* code review improvements

* Cleanup for node properties overrides

* Reexport demo art

* Fix clippy lints

---------

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

frontend/src/components/Editor.svelte

@@ -123,8 +123,8 @@
 		--color-data-vectordata-dim: #4b778c;
 		--color-data-number: #cbbab4;
 		--color-data-number-dim: #87736b;
-		--color-data-graphic: #6b84e8;
-		--color-data-graphic-dim: #4a557b;
+		--color-data-group: #6b84e8;
+		--color-data-group-dim: #4a557b;
 		--color-data-artboard: #70a898;
 		--color-data-artboard-dim: #3a6156;