${set} and ${prop} mapping lines are not removed when using conditions

Description
${set} and ${prop} mapping lines are not removed when using conditions

How to reproduce

1. Create a template that has a set inside an if condition;
2. Can you use the template that was attached here;
   Example template  Book4.xlsx

Actual result/Attachments
An empty line is created,

Expected result
It should not create any empty lines;