[Chore] Fix preview deployments

UI Middleware instance for prefix deployments was not restarted, so deployment could be "old".
Online help was broken for prefix deployments, adjusted virtualservice to match deployment

.gitlab/preview-prefix/kubernetes-resources.yaml

@@ -11,8 +11,10 @@ spec:
   http:
     - match:
         - uri:
-            prefix: /help-documents
+            prefix: /appsuite/help-documents
       name: office-user-guide
+      rewrite:
+        uri: /help-documents
       route:
         - destination:
             host: preview-app-office-user-guide
@@ -20,8 +22,10 @@ spec:
               number: 80
     - match:
         - uri:
-            prefix: /help
+            prefix: /appsuite/help
       name: user-guide
+      rewrite:
+        uri: /help
       route:
         - destination:
             host: preview-app-core-user-guide

.gitlab/preview-prefix/values-template.yaml

@@ -3,6 +3,11 @@ imagePullSecrets:
 
 appRoot: /appsuite/
 
+podAnnotations:
+  commit-ref: "${CI_COMMIT_SHORT_SHA}"
+deploymentAnnotations:
+  commit-ref: "${CI_COMMIT_SHORT_SHA}"
+
 image:
   registry: ${CI_REGISTRY}
   repository: frontend/ui-middleware