DevTools: fix line-height for object properties sections
DevTools: fix line-height for object properties sections

When zoomed in, object properties with underscores can be cutoff due
to overflow: hidden. This adjusts line-height to be more flexible.

Bug: 915708
Change-Id: Ic8ef4aee2c97278b011db8a973274ce7d1e836b7
Reviewed-on: https://chromium-review.googlesource.com/c/1405981
Reviewed-by: Joel Einbinder <bab755abe9fee48fe544272e55f73517d4e4a725@chromium.org>
Commit-Queue: Erik Luo <26192f5e05d23e5ee959014fb911d780e566545b@chromium.org>
Cr-Original-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#622206}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 47b692a6943448ace76e2111a0c3a5d6c28af187
ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend