Add cash as asset sub class

apps/api/src/app/portfolio/portfolio.service.ts

@@ -724,6 +724,7 @@ export class PortfolioService {
       allocationCurrent: cashValue.div(value).toNumber(),
       allocationInvestment: cashValue.div(investment).toNumber(),
       assetClass: AssetClass.CASH,
+      assetSubClass: AssetClass.CASH,
       countries: [],
       currency: Currency.CHF,
       grossPerformance: 0,

libs/common/src/lib/interfaces/portfolio-position.interface.ts

@@ -8,7 +8,7 @@ export interface PortfolioPosition {
   allocationCurrent: number;
   allocationInvestment: number;
   assetClass?: AssetClass;
-  assetSubClass?: AssetSubClass;
+  assetSubClass?: AssetSubClass | 'CASH';
   countries: Country[];
   currency: Currency;
   exchange?: string;