SSR: fix incoming tx graph init state

frontend/src/app/dashboard/dashboard.component.ts

@@ -8,6 +8,7 @@ import { StateService } from '../services/state.service';
 import { WebsocketService } from '../services/websocket.service';
 import { SeoService } from '../services/seo.service';
 import { ActiveFilter, FilterMode, toFlags } from '../shared/filters.utils';
+import { TransferState } from '@angular/core';
 
 interface MempoolBlocksData {
   blocks: number;
@@ -241,7 +242,7 @@ export class DashboardComponent implements OnInit, OnDestroy, AfterViewInit {
             return null;
           }
         }),
-        share(),
+        shareReplay(1),
       );
 
     if (this.stateService.network === 'liquid') {