- watch all changes on DataOptions models in dataservice

- npm updates

src/shared/models/chart.ts

@@ -10,6 +10,7 @@ export interface DataEntry {
 
 export interface InternalDataEntry {
     internalId: string;
+    datasetIndex?: number;
     // hoverId: string;
     data: number[];
     selected?: boolean;

src/shared/models/options.ts

@@ -73,6 +73,7 @@ export class DatasetOptions {
     ) {
         this.internalId = internalId;
         this.color = color;
+        this.visible = true;
     }
 }