Only apply the width: 100% in doLayout=false mode, to fix rendering problems when a !TabContainer is embedded in a !BorderContainer.
Only apply the width: 100% in doLayout=false mode, to fix rendering problems when a !TabContainer is embedded in a !BorderContainer.

Fixes #10401, refs #10113 !strict.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@20906 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful