Display warning for anonymous Sends

src/app/send/access.component.html

@@ -6,6 +6,13 @@
         <div class="col-12 text-center" *ngIf="creatorIdentifier != null">
             <p>{{'sendCreatorIdentifier' | i18n: creatorIdentifier }}</p>
         </div>
+        <div class="col-8 text-center" *ngIf="creatorIdentifier == null && !loading && !unavailable">
+            <app-callout type="warning" title="{{'warning' | i18n}}">
+                {{'anonymousSendWarning' | i18n }} <a href="https://bitwarden.com/help/article/receive-send/">{{'learnMore' | i18n}}</a>.
+            </app-callout>
+        </div>
+    </div>
+    <div class="row justify-content-center">
         <div class="col-5">
             <div class="card d-block">
                 <div class="card-body" *ngIf="loading" class="text-center">

src/locales/en/messages.json

@@ -3787,6 +3787,9 @@
       }
     }
   },
+  "anonymousSendWarning": {
+    "message": "The Bitwarden user who created this Send has chosen to hide their email address. You should not trust this Send or download any file unless you trust the user who created it."
+  },
   "expirationDateIsInvalid": {
     "message": "The expiration date provided is not valid."
   },