Integrate swaybg and swayosd into the new shell

bin/omarchy-theme-bg-set

@@ -19,7 +19,3 @@ fi
 
 # Create symlink to the new background
 ln -nsf "$BACKGROUND" "$CURRENT_BACKGROUND_LINK"
-
-# Kill existing swaybg and start new one
-pkill -x swaybg
-setsid uwsm-app -- swaybg -i "$CURRENT_BACKGROUND_LINK" -m fill >/dev/null 2>&1 &