Method getByIdOrNull

www/data-module/src/data/DataCollection.ts:134–136

(id: string)

  }

  getByIdOrNull(id: string): DataType | null {
    return this.byId.get(id) ?? null;
  }

  @action initial(data: any[]) {
    // put items one by one if not already in the array if they are that means they come from an