Fix Linux Mint target

ansible/inventory/group_vars/desktop_cinnamon.yml

@@ -7,6 +7,13 @@ cinnamon_theme_icons: Mint-Y-Aqua
 cinnamon_font_ui: Sans 10
 cinnamon_font_monospace: Monospace 10
 
+# WM-agnostic desktop dotfiles from desktop_common_dotfiles that do NOT apply to
+# Cinnamon: the autostart entry is the (removed) Protonmail mail bridge, and the
+# GTK theme script conflicts with Cinnamon's own dconf-managed theming.
+cinnamon_desktop_dotfiles_exclude:
+  - XDG autostart entries
+  - GTK theme setup script
+
 cinnamon_dconf_settings:
   - key: /org/cinnamon/desktop/interface/gtk-theme
     value: "'{{ cinnamon_theme_gtk }}'"