Description

CSV Import Configuration file does not save the option to automatically checks "Map Field Value".

Steps to Reproduce

1. Select Issues -> Import issues from CSV (does not select a configuration file at this point)
2. Check the "Map Field Value" for some fields
3. Perform the import and then click on "Save the configuration file"
4. Try to perform the import using the configuration file previously generated and confirm that the checkbox "Map Field Value" is not automatically checked.

Expected results

"Map Field Value" would be automatically marked when using a previously selected configuration file.