Fixed Problems with footer Info

src/main/webapp/app/core/application/applicationInfo.service.ts

 import { Injectable } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
-import { Observable } from 'rxjs';
+import { Observable, Subject } from 'rxjs';
 
 import { ApplicationConfigService } from 'app/core/config/application-config.service';
 
@@ -11,8 +11,11 @@ export class DeploymentInfo {
 }
 @Injectable({ providedIn: 'root' })
 export class ApplicationInfoService {
-  cachedDeploymentInfo: DeploymentInfo;
-  inLoading = false;
+  private cachedDeploymentInfo: DeploymentInfo;
+  private inLoading = false;
+  
+  private deploymentInfoBroker = new Subject<DeploymentInfo>();
+  
   constructor(private http: HttpClient, private applicationConfigService: ApplicationConfigService) {
     this.cachedDeploymentInfo = {} as DeploymentInfo;
   }
@@ -27,11 +30,16 @@ export class ApplicationInfoService {
       this.loadDeploymentInfo().subscribe(res => {
         this.cachedDeploymentInfo = res;
         this.inLoading = false;
+        this.deploymentInfoBroker.next(this.cachedDeploymentInfo);
       });
     }
     return this.cachedDeploymentInfo;
   }
 
+  onDeploymentInfoChanged(): Observable<DeploymentInfo> {
+    return this.deploymentInfoBroker;
+  }
+
   private loadDeploymentInfo(): Observable<DeploymentInfo> {
     return this.http.get<DeploymentInfo>(SERVER_API_URL + 'api/applicationInfo/deploymentInfo');
   }

src/main/webapp/app/layouts/footer/footer.component.ts

@@ -10,6 +10,9 @@ export class FooterComponent implements OnInit {
 
   constructor(public applicationInfoService: ApplicationInfoService) {}
   ngOnInit(): void {
+    this.applicationInfoService.onDeploymentInfoChanged().subscribe(
+      depInfo => { this.deploymentInfo = depInfo;}
+    )
     this.deploymentInfo = this.applicationInfoService.getDeploymentInfo();
   }
 }