fix: change drawer transition direction for sound and brightness groups

Open drawers to the right instead of left, matching their position
on the right side of the bar.

defaults/xdg/waybar/config

@@ -55,7 +55,7 @@
         ],
         "drawer": {
             "transition-duration": 500,
-            "transition-left-to-right": true
+            "transition-left-to-right": false
         }
     },
     "group/brightness": {
@@ -67,7 +67,7 @@
         ],
         "drawer": {
             "transition-duration": 500,
-            "transition-left-to-right": true
+            "transition-left-to-right": false
         }
     },
     "group/bat": {