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/properties_panel_message.rs

@@ -1,5 +1,7 @@
 use crate::message_prelude::*;
 
+use super::utility_types::TargetDocument;
+
 use graphene::layers::style::{Fill, Stroke};
 use serde::{Deserialize, Serialize};
 
@@ -15,10 +17,10 @@ pub enum PropertiesPanelMessage {
 	ModifyStroke { stroke: Stroke },
 	ModifyTransform { value: f64, transform_op: TransformOp },
 	ResendActiveProperties,
-	SetActiveLayers { paths: Vec<Vec<LayerId>> },
+	SetActiveLayers { paths: Vec<Vec<LayerId>>, document: TargetDocument },
 }
 
-#[derive(PartialEq, Clone, Debug, Serialize, Deserialize)]
+#[derive(PartialEq, Clone, Copy, Debug, Serialize, Deserialize)]
 pub enum TransformOp {
 	X,
 	Y,