fixing the csvlogger missing DF issues

[qiyanjun]

What does this PR do?

• Fixing the csvlogger missing DF bug, by assigning df with the logger.row_list
• Also we fix the A2T recipe's bug when handling long input text, by adding max_lenth constraints

Checklist

• [X ] The title of your pull request should be a summary of its contribution.
• [ X] Please write detailed description of what parts have been newly added and what parts have been modified. Please also explain why certain changes were made.
• [ ] If your pull request addresses an issue, please mention the issue number in the pull request description to make sure they are linked (and people consulting the issue know you are working on it)
• [ ] To indicate a work in progress please mark it as a draft on Github.
• [ ] Make sure existing tests pass.
• [ ] Add relevant tests. No quality testing = no merge.
• [ ] All public methods must have informative docstrings that work nicely with sphinx. For new modules/files, please add/modify the appropriate .rst file in TextAttack/docs/apidoc.'

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