Fix empty historical market data for asset profiles without activities

libs/ui/src/lib/historical-market-data-editor/historical-market-data-editor.component.ts

@@ -123,8 +123,14 @@ export class GfHistoricalMarketDataEditorComponent
   }
 
   public ngOnChanges() {
-    if (this.dateOfFirstActivity) {
+    const startDate =
-      let date = this.dateOfFirstActivity;
+      this.dateOfFirstActivity ?? first(this.marketData())?.date;
+
+    if (!startDate) {
+      return;
+    }
+
+    let date = startDate;
 
     const missingMarketData: { date: Date; marketPrice?: number }[] = [];
 
@@ -173,16 +179,15 @@ export class GfHistoricalMarketDataEditorComponent
     // Fill up missing months
     const dates = Object.keys(this.marketDataByMonth).sort();
     const startDateString = first(dates);
-      const startDate = min([
-        this.dateOfFirstActivity,
-        ...(startDateString ? [parseISO(startDateString)] : [])
-      ]);
     const endDateString = last(dates);
 
     if (endDateString) {
       const endDate = parseISO(endDateString);
 
-        let currentDate = startDate;
+      let currentDate = min([
+        startDate,
+        ...(startDateString ? [parseISO(startDateString)] : [])
+      ]);
 
       while (isBefore(currentDate, endDate)) {
         const key = format(currentDate, 'yyyy-MM');
@@ -194,7 +199,6 @@ export class GfHistoricalMarketDataEditorComponent
       }
     }
   }
-  }
 
   public formatDay(day: number): string {
     return day < 10 ? `0${day}` : `${day}`;