Fix for spelling error in indexing status

frontend/src/app/lightning/nodes-networks-chart/nodes-networks-chart.component.ts

@@ -118,7 +118,7 @@ export class NodesNetworksChartComponent implements OnInit {
           color: 'grey',
           fontSize: 15
         },
-        text: $localize`Indexing in progess`,
+        text: $localize`Indexing in progress`,
         left: 'center',
         top: 'center',
       };

frontend/src/app/lightning/statistics-chart/lightning-statistics-chart.component.ts

@@ -109,7 +109,7 @@ export class LightningStatisticsChartComponent implements OnInit {
           color: 'grey',
           fontSize: 15
         },
-        text: $localize`Indexing in progess`,
+        text: $localize`Indexing in progress`,
         left: 'center',
         top: 'center'
       };