library crashes when writing properties for object

[rmelian]

Description

When writing a document, specifically when adding new properties to an object, the library throws an error

Expected result

ignore properties when invalid

Actual result

Steps to reproduce

asyncapi: '2.0.0'
id: 'urn:myapi'
info:
  title: My API
  version: '1.0.0'
channels:
  mychannel:
    publish:
      message:
        $ref: '#/components/messages/testMessage'

components:
  messages:
    testMessage:
      payload:
        $ref: '#/components/schemas/testSchema'
  schemas:
    testSchema:
      type: object
      properties:
        name:
          type: string
    order:
      type: object
      properties:
        name:
          type: string
    activity:
      type: object
      properties:
        name:

Troubleshooting

This is the validatedSchema returned from AsyncApi.tsx

[rmelian]

I have a fix for this too, I'll send it after #67 gets fixed

[derberg]

Fixed with #68
This week new version of the package will be released