Adjust Flexbox editor styles
Adjust Flexbox editor styles

Increases the min-width for the container and forbids wrapping in
case text exceeds the container area.

Bug: 1175699
Change-Id: I86762319b22fd313ead36bcf910bf807797e0633
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2697197
Reviewed-by: Mathias Bynens <17a2cbc4e33156874a9862b0f530521117e66a3d@chromium.org>
Commit-Queue: Alex Rudenko <d8d88e7d7e77f69e23d1d1432231196fb8e02a62@chromium.org>

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