FormDisplayer should be embedded inWe need to Improve the FormDisplayer component APIS to allow embedding it in the comunication with the channel and the JS api in the embedded Form.

FormDisplayerApi should expose following methods:

• init(data, ctx): initializes the component with the given data (task data or empty object) and context containing information about the current task, the schema, current user... It should initialize the inner
• submitForm(args): triggers the submit lifecycle in the form:
  • calls beforeSubmit() in the rendered form. If that's successfull does the form submission and calls afterSubmit() in the embedded form js api. If the before submit throws error, it skips the submit.