convert values range from templates to option element

src/app/models/template.model.ts

@@ -7,4 +7,10 @@ export class TemplateModel extends BaseModel {
   version = 0;
   first_id: IdModel = null;
   parameters: {name: string, range: {[prop: string]: any}, rangeString?: string}[] = [];
+
+  deserialize(input: any): this {
+    Object.assign(this, input);
+
+    return this;
+  }
 }