Add client notification (#771)

* ClientNotification WIP

* Test

* ClientNotification WIP

* Add client notification dialog and related functionality

* Update ClientNotificationDialog.tsx

---------

Co-authored-by: philon- <philon-@users.noreply.github.com>

packages/core/src/utils/eventSystem.ts

@@ -330,6 +330,15 @@ export class EventSystem {
     PacketMetadata<Uint8Array>
   > = new SimpleEventDispatcher<PacketMetadata<Uint8Array>>();
 
+  /**
+   * Fires when a new MeshPacket message containing a ClientNotification packet has been
+   * received from device
+   *
+   * @event onClientNotificationPacket
+   */
+  public readonly onClientNotificationPacket: SimpleEventDispatcher<Protobuf.Mesh.ClientNotification> =
+    new SimpleEventDispatcher<Protobuf.Mesh.ClientNotification>();
+
   /**
    * Fires when the devices connection or configuration status changes
    *

packages/core/src/utils/transform/decodePacket.ts

@@ -209,6 +209,18 @@ export const decodePacket = (device: MeshDevice) =>
               break;
             }
 
+            case "clientNotification": {
+              device.log.trace(
+                Types.Emitter[Types.Emitter.HandleFromRadio],
+                `📣 Received ClientNotification: ${decodedMessage.payloadVariant.value.message}`,
+              );
+
+              device.events.onClientNotificationPacket.dispatch(
+                decodedMessage.payloadVariant.value,
+              );
+              break;
+            }
+
             default: {
               device.log.warn(
                 Types.Emitter[Types.Emitter.HandleFromRadio],