Is your feature request related to a problem? Please describe.
Currently, the "Rating" field does not have customization.

Describe the solution you'd like
Allow icon/emoji picker customization in the rating field setting

• Currently the default option is star icon, allow for emoji picker option (See sample emoji picker used in the customization step of the "Action" field type)
  

Rating field code location: https://github.com/rowyio/rowy/tree/develop/src/components/fields/Rating