[enterprise] implement subdomain logo cache buster

frontend/src/app/services/enterprise.service.ts

@@ -4,6 +4,7 @@ import { ApiService } from './api.service';
 import { SeoService } from './seo.service';
 import { StateService } from './state.service';
 import { ActivatedRoute } from '@angular/router';
+import { BehaviorSubject } from 'rxjs';
 
 @Injectable({
   providedIn: 'root'
@@ -11,9 +12,9 @@ import { ActivatedRoute } from '@angular/router';
 export class EnterpriseService {
   exclusiveHostName = '.mempool.space';
   subdomain: string | null = null;
-  info: object = {};
   statsUrl: string;
   siteId: number;
+  info$: BehaviorSubject<object> = new BehaviorSubject(null);
 
   constructor(
     @Inject(DOCUMENT) private document: Document,
@@ -47,9 +48,9 @@ export class EnterpriseService {
 
   fetchSubdomainInfo(): void {
     this.apiService.getEnterpriseInfo$(this.subdomain).subscribe((info) => {
-      this.info = info;
       this.insertMatomo(info.site_id);
       this.seoService.setEnterpriseTitle(info.title);
+      this.info$.next(info);
     },
     (error) => {
       if (error.status === 404) {