feat: Add Duck.ai icon for RMF, update a couple other RMF icons (#1892)

* feat: Add Duck.ai icon for RMF, update a couple other icons

* fix: example

* rm: overflow2 example

Author: vkraucunas

special-pages/pages/new-tab/app/remote-messaging-framework/mocks/rmf.data.js

@@ -23,10 +23,11 @@ export const rmfDataExamples = {
         content: {
             messageType: 'big_single_action',
             id: 'id-big-single',
-            titleText: 'Tell Us Your Thoughts on Privacy Pro',
-            descriptionText: 'Take our short anonymous survey and share your feedback.',
-            icon: 'PrivacyPro',
-            primaryActionText: 'Take Survey',
+            titleText: 'New! Advanced AI for Subscribers',
+            descriptionText:
+                'Your subscription now includes access to more advanced models in Duck.ai, our private AI chat service. Always optional. No extra cost.',
+            icon: 'DuckAi',
+            primaryActionText: 'Try Duck.ai',
         },
     },
     big_two_action: {

special-pages/pages/new-tab/messages/types/rmf-message.json

@@ -139,7 +139,8 @@
                 "DDGAnnounce",
                 "CriticalUpdate",
                 "AppUpdate",
-                "PrivacyPro"
+                "PrivacyPro",
+                "DuckAi"
             ]
         }
     }