Gnome : Move settings to nix.

.config/linux/Gnome.dconf

@@ -139,7 +139,6 @@ unmaximize=@as []
 action-middle-click-titlebar='minimize'
 action-right-click-titlebar='menu'
 button-layout='appmenu:close'
-focus-mode='click'
 titlebar-font='SF Pro Display 11'
 
 [org/gnome/desktop/session]

.config/linux/system/module/Gnome.nix

@@ -4,7 +4,13 @@ in {
 	# GUI.
 	services.xserver.enable = true;
 	services.xserver.displayManager.gdm.enable   = true;
-	services.xserver.desktopManager.gnome.enable = true;
+	services.xserver.desktopManager.gnome = {
+		enable = true;
+		extraGSettingsOverrides = ''
+			[org/gnome/desktop/wm/preferences]
+			focus-mode='sloppy'
+		'';
+	};
 	services.xserver.xkb = {
 		layout  = "us";
 		variant = "";

.config/linux/system/module/common/Package.nix

@@ -42,5 +42,5 @@
 	];
 
 	# Special packages.
-	programs.adb.enable     = true;
+	programs.adb.enable = true;
 }