xfce4-exo: update to 0.12.10

Also add an upstream patch to adjust a minor display padding issue.

Change log:

0.12.10
=======
- Bug Fixes:
  - Fix typeahead search regression (Xfce #16191)
- Translation Updates:
  Spanish

0.12.9
======
- Bug Fixes:
  - Explicitly depend on gio-unix-2.0 (Xfce #15825)
  - Fix alignment of multi-line filenames when text beside icons (Xfce #16107)
  - Fix cursor missing in search popup widget (Xfce #16068)
  - Fix desktop item creation on symbolic link directories
  - Fix excess clickable area of multiline filenames (Xfce #16075)
  - Fix issues with displaying icon view contents (Xfce #14737)
  - Fix prelight deactivation (Xfce #11806)
  - Hide search widget when doing a fullscreen resize (Xfce #15106)
  - Make user-created launchers executable by default
- Translation Updates:
  Croatian, English (United Kingdom), French, Galician, Korean,
  Slovenian, Swedish

(gutteridge)