NIFI-14319: fix alt value used for registry logo

Author: sardell

nifi-frontend/src/main/frontend/apps/nifi-registry/src/app/ui/header/header.component.html

@@ -22,7 +22,7 @@
                 ngSrc="assets/icons/registry-logo-web-app.svg"
                 fill
                 priority
-                alt="NiFi Logo"
+                alt="NiFi Registry Logo"
                 class="pointer py-1"
                 [routerLink]="'/explorer'" />
         </div>