Slim Recents: Option to show topmost task, (1/2):

Thanks to SlimRoms and Der-Schubi:
https://github.com/SlimRoms/frameworks_base/commit/5b031bff4032b4bb79f4f6b9b0799ef27cfa7ea3
https://github.com/SlimRoms/frameworks_base/commit/0d1348231eee9a3267abcebc05bafbdf9dc24d5f
https://github.com/SlimRoms/frameworks_base/commit/1b86d748499ae7d0f803d081db5d08d1224bac05

- Show/hide the topmost task on the recents panel
- Allways show the topmost task collapsed