Feature/set market state of exchange rate symbols to open in FMP service (#4915)

* Set market state of exchange rate symbols to open

* Update changelog

CHANGELOG.md

@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Improved the style of the assistant
 - Reused the value component in the data providers management of the admin control panel
+- Set the market state of exchange rate symbols to `open` in the _Financial Modeling Prep_ service
 - Migrated the `@ghostfolio/ui/assistant` component to control flow
 - Migrated the `@ghostfolio/ui/value` component to control flow
 - Migrated the `HtmlTemplateMiddleware` to use `@Injectable()`

apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts

@@ -22,6 +22,7 @@ import {
   LookupItem,
   LookupResponse
 } from '@ghostfolio/common/interfaces';
+import { MarketState } from '@ghostfolio/common/types';
 
 import { Injectable, Logger } from '@nestjs/common';
 import {
@@ -378,12 +379,22 @@ export class FinancialModelingPrepService implements DataProviderInterface {
       );
 
       for (const { price, symbol } of quotes) {
+        let marketState: MarketState = 'delayed';
+
+        if (
+          isCurrency(
+            symbol.substring(0, symbol.length - DEFAULT_CURRENCY.length)
+          )
+        ) {
+          marketState = 'open';
+        }
+
         response[symbol] = {
+          marketState,
           currency: currencyBySymbolMap[symbol]?.currency,
           dataProviderInfo: this.getDataProviderInfo(),
           dataSource: DataSource.FINANCIAL_MODELING_PREP,
-          marketPrice: price,
-          marketState: 'delayed'
+          marketPrice: price
         };
       }
     } catch (error) {