xsession: move dwm to top

xsession/.xsession

@@ -30,6 +30,11 @@ xsetroot -cursor_name left_ptr
 
 picom -b -I 1 -O 1 -i 1 -e 1 --no-fading-openclose || compton -b --no-fading-openclose
 
+if which dwm > /dev/null; then
+    lupan-clock &
+    exec dwm
+fi
+
 if which awesome > /dev/null; then
     exec awesome
 fi
@@ -42,11 +47,6 @@ fi
     exec dk
 fi
 
-if which dwm > /dev/null; then
-    lupan-clock &
-    exec dwm
-fi
-
 if which xmonad > /dev/null && test -f ~/.config/xmonad/xmonad.hs; then
     exec xmonad
 fi