While modifying the step of a Test, is not possible to save the new settings of "Data" and "Expected Results" fields if those are cleared

Short Description: While modifying the step of a Test, is not possible to save the new settings of "Data" and "Expected Results" fields if those are cleared

Steps to Reproduce:

1 - Navigate to a Manual Test

2 - In its details, pick a step and click directly on the "Data" and "Expected Results" fields

3 - Clear the data of "Data" and "Expected Results" fields

4 - Press save icon

Expected Result: "Data" and "Expected Results" should be saved empty

Actual Result: "Data" and "Expected Results" keep the previous settings