GitOrigin-RevId: a7479e3685e552c2c3b73ed18a333d647f228c3e
* Notify about unsaved changes * Move system message components and types to shared folder * Add system messages component GitOrigin-RevId: ab81a24888847bd9a8a390fd1af6b58f471f7a4b
React IDE page: working editor GitOrigin-RevId: 3ba8cb787a6f7f8435686d8962adb7444d09acb5