[accelerator] also show completed_provisional in accel dashboard

frontend/src/app/components/acceleration/accelerator-dashboard/accelerator-dashboard.component.ts

@@ -99,7 +99,7 @@ export class AcceleratorDashboardComponent implements OnInit, OnDestroy {
     this.minedAccelerations$ = this.stateService.chainTip$.pipe(
       distinctUntilChanged(),
       switchMap(() => {
-        return this.serviceApiServices.getAccelerationHistory$({ status: 'completed', pageLength: 6 }).pipe(
+        return this.serviceApiServices.getAccelerationHistory$({ status: 'completed_provisional,completed', pageLength: 6 }).pipe(
           catchError(() => {
             return of([]);
           }),

frontend/src/app/interfaces/node-api.interface.ts

@@ -411,7 +411,7 @@ export interface Acceleration {
 }
 
 export interface AccelerationHistoryParams {
-  status?: string;
+  status?: string; // Single status or comma separated list of status
   timeframe?: string;
   poolUniqueId?: number;
   blockHash?: string;