FIX Redirect back when file validation fails.#1414

erikfrerejean wants to merge 2 commits into

silverstripe:6.4silverstripe/silverstripe-userforms:6.4from

erikfrerejean:fix/correct-redirect-on-file-validation-failerikfrerejean/silverstripe-userforms:fix/correct-redirect-on-file-validation-failCopy head branch name to clipboard