Make Imaginate into a node (#878)

* Simplify document node input defenitions

* Remove imaginate layer

* Imaginate node properties

* Fix serde feature gate

* Add Proc Macro for Protonode implementation

* Fix incorrect type

* Add cargo.toml metadata

* Send imaginate params to frontend

* Fix image_creativity range

* Finish imaginate implementation

* Fix the imaginate draw tool

* Remove node-graph/rpco-macro

* Cargo fmt

* Fix missing workspace member

* Changes to the resolution

* Add checkbox for Imaginate auto resolution; improve Properties panel layouts

And fix bugs in panel resizing

* Implement the Rescale button

* Reorder imports

* Update Rust deps

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

frontend/src/App.vue

@@ -83,6 +83,13 @@ body,
 	user-select: none;
 }
 
+// The default value of `auto` from the CSS spec is a footgun with flexbox layouts:
+// https://stackoverflow.com/questions/36247140/why-dont-flex-items-shrink-past-content-size
+* {
+	min-width: 0;
+	min-height: 0;
+}
+
 html,
 body,
 input,