Cancellation section adjustments

[nqst]

This follows up on e892b74, where the Settings partials layout was updated. The Cancel account section wasn't included there, and here it's fixed.

Changes:

• Updated the Cancel account section layout to match the other Settings partials.
• Set the confirmation dialog width to match the Export dialog.
• Added a missing comma: After 30 days, your data will be permanently deleted.

Preview:

Before	After

[jorgemanrubia]

Thanks @nqst.

This looks good to merge, what do you think @andyra @jzimdars?

[jzimdars]

The change above is fine since it addresses consistency with the other elements. However, I think we should follow this up with a different design altogether for this section.

It's just too repetitive. We don't need a heading followed by second line followed by a button that all essentially say the same thing. What to take a stab at that @nqst?

[nqst]

We don't need a heading followed by second line followed by a button that all essentially say the same thing. Want to take a stab at that @nqst?

@jzimdars I absolutely agree, and I'd love to redesign that! I'll work on it and open a PR.