pine: Move feedback button closer to the corner

Test: manual
Change-Id: I3d6ae58dabee1161311d69de3a11123e3d94e9b5
Fixed: b:330381215, b:327482044
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5430554


Auto-Submit: Sammie Quon <sammiequon@chromium.org>
Reviewed-by: Xiaodan Zhu <zxdan@chromium.org>
Commit-Queue: Xiaodan Zhu <zxdan@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1283467}