Request listener doesn't respect send_default_pii option

[nclsHart]

PII are always added even with send_default_pii forced to false.

This seems to be a regression of #200 introduced by 03335ef#diff-c983e3626f2d1bc8efb57a43f892595ffa697722165045ac82638a1ba8418ad7L69.

Affected version: 4.0.0.