Create global inbox actions (#4903)

Signed-off-by: Kristina Fefelova <kristin.fefelova@gmail.com>

plugins/notification-resources/src/inboxNotificationsClient.ts

@@ -283,4 +283,21 @@ export class InboxNotificationsClientImpl implements InboxNotificationsClient {
       await doneOp()
     }
   }
+
+  async unreadAllNotifications (): Promise<void> {
+    const doneOp = await getClient().measure('unreadAllNotifications')
+    const ops = getClient().apply(generateId())
+
+    try {
+      const inboxNotifications = get(this.inboxNotifications) ?? []
+      for (const notification of inboxNotifications) {
+        if (notification.isViewed) {
+          await ops.update(notification, { isViewed: false })
+        }
+      }
+    } finally {
+      await ops.commit()
+      await doneOp()
+    }
+  }
 }