Add padding in Network Conditions drawer
Add padding in Network Conditions drawer

After: https://imgur.com/a/Copo0Cv

Fixed: 1161073
Change-Id: I34c76956746d7c6b1d09320db7a8c8250c673d59
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2600729
Auto-Submit: Peter Marshall <6d0eecbeb7fb9d172f49b4b32481d2466fd89429@chromium.org>
Reviewed-by: Mathias Bynens <17a2cbc4e33156874a9862b0f530521117e66a3d@chromium.org>
Commit-Queue: Mathias Bynens <17a2cbc4e33156874a9862b0f530521117e66a3d@chromium.org>

ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend