feat(messenger): expose adapter directory() for DM/group picker + pull SDK build

CrmMessagingAdapter.directory() now returns the org people list (Person[]) for the
new 'New message' picker; internal name-resolution uses directoryMap(). The DM/group
create path rides the existing crm.messenger.conversation.open door (dedupe + group).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

package-lock.json

@@ -1030,7 +1030,7 @@
     "node_modules/@insignia/iios-messaging-ui": {
       "version": "0.1.0",
       "resolved": "file:../iios/packages/iios-messaging-ui/insignia-iios-messaging-ui-0.1.0.tgz",
-      "integrity": "sha512-Ks+tTnNBw3QqNpBlggEnbmfRrDnCSq9jq3b5TOsc/XEEgzdebtFDuQziVW/G6oRp4ysTQ6Fci/XRm1z1yLf4Wg==",
+      "integrity": "sha512-sfNRRJQgbq3FCvwUtn4H7ojHnhQZnM5bd2MQmq3XFmTZNsj0BGNh/dcKvR9/7vbLaXP10kuOHZGXrCi/1LsJYA==",
       "peerDependencies": {
         "@insignia/iios-kernel-client": "*",
         "react": ">=18",