message: bug: Fix widget highlighting styling for dialogs
  Fixes styling for dialog titles.  Cherry picked from commit
diff: @@ -38,7 +38,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  - [#253](https://github.com/ClementTsang/bottom/pull/253): Fix highlighted entries being stuck in another colour when the widget is not selected.
  -- [#253](https://github.com/ClementTsang/bottom/pull/253): Expanding a widget no longer overrides the widget title colour.
  +- [#253](https://github.com/ClementTsang/bottom/pull/253), [#266](https://github.com/ClementTsang/bottom/pull/266): Expanding a widget no longer overrides the widget/dialog title colour.
  - [#261](https://github.com/ClementTsang/bottom/pull/261): Fixed process names occasionally showing up as truncated, due to only using `/proc/<PID>/stat` as our data source.
  