Cannot set nullable varchar field to empty string

[snagles]

Describe the bug
Unable to explicitly set a varchar field to an empty string. When setting to an empty string, the value is converted to null.

To Reproduce
Steps to reproduce the behavior:
Schema

CREATE TABLE table (
	"id" SERIAL PRIMARY KEY,
	"email" VARCHAR(255),
)

Feature

  Given set "db" table "table" list of content
      | id    | email |  
      |  1    |           |

Expected behavior
Defined field with empty string value.

Additional context
Add any other context about the problem here.