[FOGL-5832]: Changed alert text for https protocol and handled the case of 404 status code of ping request

src/app/app.module.ts

@@ -55,8 +55,8 @@ export function pingServiceFactory(ping: PingService, sharedService: SharedServi
       sharedService.isServiceUp.next(true);
     })
     .catch(error => {
-      // Set isService to true, if response status code is non zero and not undefined
-      if (error && error.status && error.status !== 0) {
+      // Set isService to true, if response status code is not undefined and not 0 & not 404
+      if (error && error.status && !(error.status === 0 || error.status === 404)) {
         sharedService.isServiceUp.next(true);
       } else {
         sharedService.isServiceUp.next(false);

src/app/components/core/settings/settings.component.html

@@ -1,9 +1,8 @@
 <div class="container is-fluid">
   <article class="message is-warning alert-box">
     <div *ngIf="showAlertMessage && !canPing()" class="message-body">
-      You are trying to connect an instance secured with HTTPS, you must provide your own valid TLS certificate for
-      production operation. A self-signed certificate is included within Fledge, and you will need to configure your
-      browser to
+      You are trying to connect over HTTPS. To secure an instance, you must provide your own valid TLS certificate for production operations.
+      A self-signed certificate is included within Fledge, and you will need to configure your browser to
       accept it as valid. To do this, click this <a (click)="openSSLCertWarningPage()"
         class="alert-link"><u><b>link</b></u></a> and in that page accept
       the certificate.

src/app/components/layout/login/login.component.css

@@ -1,5 +1,4 @@
 .grey-link {
     color: grey;
     text-decoration: underline;
-    font-size: smaller;
 }

src/app/components/layout/navbar/navbar.component.ts

@@ -207,7 +207,7 @@ export class NavbarComponent implements OnInit, AfterViewInit, OnDestroy {
         }
         // If response code is non zero and not undefined, set isAlive and isAuth to true,
         // else set service to down and pingInfo accordingly
-        if (error && error.status && error.status !== 0) {
+        if (error && error.status && !(error.status === 0 || error.status === 404)) {
           this.pingInfo.isAlive = true;
           this.pingInfo.isAuth = true;
         } else {

src/app/services/ping.service.ts

@@ -28,7 +28,7 @@ export class PingService {
         return Promise.resolve(res);
         })
       .catch(err => {
-        if (err.status === 0) {
+        if (err.status === 0 || err.status === 404) {
           this.pingResponse.next(false);
         } else {
           this.pingResponse.next(true);