Test Run momentum is displayed when the user imports a Test Case with an enter between two lines, then performs a change in one of the steps that is undone and saved

Short Description: Test Run momentum is displayed when the user imports a Test Case with an enter between two lines, then performs a change in one of the steps that is undone and saved.

Steps to Reproduce:
1 - Import a manual Test Case using Test Case importer or Import from Steps. Make sure your file has a space between lines.
2 - Create a Test Run for that Test.
3 - Navigate to the Test.
4 - Click to edit a step.
5 - Make some changes and undo them.
6 - Save the step.
7 - Navigate to the previous create Test Run and check the page.

Actual Results: The test run momentum message is displayed.
Expected Results: The message should not be displayed.