Add properties panel entries for artboards (#572)

* Artboards can have properties

* fix crash when renaming artboards

* moved target document to utility types

* moved import and added test for file version information

* fixed missing import

* fix error from merging

* - typed properties message handler data
- removed name from WidgetRow

* clippy warnings

* artboards have seperate properties section

* - color input can be forced to have selection
- crop tool shows on switch
- select tool shows on switch

* variable renamed

* change to use PropType<boolean> instead of PropType<Boolean>

* Add an artboard icon

* Add the "Delete Artboard" hint

* fix unselect glitch

* even better

* Remove the Transform properties group

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

editor/src/document/document_message_handler.rs

@@ -1,5 +1,7 @@
 use super::clipboards::Clipboard;
 use super::layer_panel::{layer_panel_entry, LayerDataTypeDiscriminant, LayerMetadata, LayerPanelEntry, RawBuffer};
+use super::properties_panel_message_handler::PropertiesPanelMessageHandlerData;
+use super::utility_types::TargetDocument;
 use super::utility_types::{AlignAggregate, AlignAxis, DocumentSave, FlipAxis};
 use super::{vectorize_layer_metadata, PropertiesPanelMessageHandler};
 use super::{ArtboardMessageHandler, MovementMessageHandler, OverlaysMessageHandler, TransformLayerMessageHandler};
@@ -503,7 +505,6 @@ impl DocumentMessageHandler {
 impl PropertyHolder for DocumentMessageHandler {
 	fn properties(&self) -> WidgetLayout {
 		WidgetLayout::new(vec![LayoutRow::Row {
-			name: "".into(),
 			widgets: vec![
 				WidgetHolder::new(Widget::OptionalInput(OptionalInput {
 					checked: self.snapping_enabled,
@@ -704,7 +705,14 @@ impl MessageHandler<DocumentMessage, &InputPreprocessorMessageHandler> for Docum
 			}
 			#[remain::unsorted]
 			PropertiesPanel(message) => {
-				self.properties_panel_message_handler.process_action(message, &self.graphene_document, responses);
+				self.properties_panel_message_handler.process_action(
+					message,
+					PropertiesPanelMessageHandlerData {
+						artwork_document: &self.graphene_document,
+						artboard_document: &self.artboard_message_handler.artboards_graphene_document,
+					},
+					responses,
+				);
 			}
 
 			// Messages
@@ -721,7 +729,13 @@ impl MessageHandler<DocumentMessage, &InputPreprocessorMessageHandler> for Docum
 				if selected_paths.is_empty() {
 					responses.push_back(PropertiesPanelMessage::ClearSelection.into())
 				} else {
-					responses.push_back(PropertiesPanelMessage::SetActiveLayers { paths: selected_paths }.into())
+					responses.push_back(
+						PropertiesPanelMessage::SetActiveLayers {
+							paths: selected_paths,
+							document: TargetDocument::Artwork,
+						}
+						.into(),
+					)
 				}
 
 				// TODO: Correctly update layer panel in clear_selection instead of here