[Issues] Fix margin for affected resource list
[Issues] Fix margin for affected resource list

Screenshots:
before: https://i.imgur.com/WWmNj5b.png
after: https://i.imgur.com/DjWBENo.png

Bug: chromium:1072335
Change-Id: Id63b7e3fabe5335db3debc50f1e88ff40d5343ea
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2203443
Commit-Queue: Wolfgang Beyer <573aa99bb19da47d816981118f95c945310dd3f4@chromium.org>
Reviewed-by: Peter Müller <296389d11343900e76d73969c719e93a67ee1bb5@chromium.org>
Reviewed-by: Sigurd Schneider <f04d242e109628a27a0f75fd49a87722bcf291fd@chromium.org>

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