Style search in buffer below breadcrumbs

We still have issues with project search styling.

Co-Authored-By: Antonio Scandurra <me@as-cii.com>
Co-Authored-By: Max Brunsfeld <maxbrunsfeld@gmail.com>

crates/breadcrumbs/src/breadcrumbs.rs

@@ -75,6 +75,8 @@ impl View for Breadcrumbs {
                         .boxed(),
                 ]
             }))
+            .contained()
+            .with_style(theme.breadcrumbs.container)
             .boxed()
     }
 }