Fix line colors

src/bezier.js

@@ -1109,13 +1109,16 @@ class Bezier {
   }
 
   static fromJSON(json) {
-    return new Bezier(...json)
+    return json[8] ? new Bezier(...json.slice(0, 8)).setColor(json[8]) : new Bezier(...json.slice(0, 8));
   }
   toJSON() {
-    return [this.points[0].x, this.points[0].y,
+    return [
+      this.points[0].x, this.points[0].y,
       this.points[1].x, this.points[1].y,
       this.points[2].x, this.points[2].y,
-      this.points[3].x, this.points[3].y]
+      this.points[3].x, this.points[3].y,
+      this.color
+    ]
   }
 
   static getUtils() {

src/main.js

@@ -4371,7 +4371,7 @@ async function _save(path) {
     //   console.log(action.name);
     // }
     const fileData = {
-      version: "1.7.5",
+      version: "1.7.6",
       width: config.fileWidth,
       height: config.fileHeight,
       fps: config.framerate,