Bug 324991

If the user attempts to import a file with incorrect rows selected, it is possible to be unable to correct the error without reloading the CSV file.

Reproducible: Sometimes

Steps to Reproduce:
1. Perform the usual steps to import a CSV file, until reaching the Lines page.
2. On that page, select an incorrect start (or end) line, such that a line with invalid format is included in the import selection, then click Next.
3. An error message is likely to appear indicating that an incorrect value has been detected on the invalid row.
4. Instead of clicking Cancel, click an Accept button.
5. On the Finish page, click Import CSV.
6. Another error message now is likely to appear, when the import data is parsed. Generally, the error first detected is likely to be an incorrect date value. Click OK.
7a. What the user should do next is to click on Back and correct the line number then click Next.
8a. Back on the Finish page, the only buttons available are Back or Cancel.
7b. Instead of Back, click Import CSV.
8b. The screen does not change.

Actual Results:  
As described.

Expected Results:  
It should be possible to correct the row settings.

This occurs for both banking and investing files.