Bisq markets: Fix for graph not updating when changing window

refs #510

frontend/src/app/bisq/lightweight-charts-area/lightweight-charts-area.component.ts

@@ -124,7 +124,7 @@ export class LightweightChartsAreaComponent implements OnInit, OnChanges, OnDest
   }
 
   ngOnChanges(changes: SimpleChanges) {
-    if (!changes.value || changes.value.isFirstChange()){
+    if (!changes.data || changes.data.isFirstChange()){
       return;
     }
     this.updateData();

frontend/src/app/bisq/lightweight-charts/lightweight-charts.component.ts

@@ -60,7 +60,7 @@ export class LightweightChartsComponent implements OnInit, OnChanges, OnDestroy
   }
 
   ngOnChanges(changes: SimpleChanges) {
-    if (!changes.value || changes.value.isFirstChange()){
+    if (!changes.data || changes.data.isFirstChange()){
       return;
     }
     this.updateData();