Can set stroke and fill on text and shapes (#551)

* Can set stroke and fill on text and shapes

* resend layout on failed update

* text input properly resets on bad input

* support modifying gradients

* can modify gradients in the properties panel

* updated labels

* remove heap allocation in favor of RC

* removed redundent line

* oops

editor/src/document/properties_panel_message.rs

@@ -1,5 +1,6 @@
 use crate::message_prelude::*;
 
+use graphene::layers::style::Fill;
 use serde::{Deserialize, Serialize};
 
 #[remain::sorted]
@@ -9,8 +10,11 @@ pub enum PropertiesPanelMessage {
 	CheckSelectedWasDeleted { path: Vec<LayerId> },
 	CheckSelectedWasUpdated { path: Vec<LayerId> },
 	ClearSelection,
+	ModifyFill { fill: Fill },
 	ModifyName { name: String },
+	ModifyStroke { color: String, weight: f64 },
 	ModifyTransform { value: f64, transform_op: TransformOp },
+	ResendActiveProperties,
 	SetActiveLayers { paths: Vec<Vec<LayerId>> },
 }