feat(x11): migrate to pure Xlibre + dwm/dmenu/st stack, fix fcitx5-t9 bottom bar, PM8909 PON shutdown, and remove Wayland

overlay/rootfs/home/user/.profile

@@ -0,0 +1,16 @@
+export PATH="$HOME/.local/bin:$PATH"
+
+export SXMO_WM=dwm
+export SXMO_MENU=dmenu
+export SXMO_TERMINAL=st
+export DMENU_WRAP_AROUND=1
+export SXMO_DMENU_PORTRAIT_LINES=12
+export SXMO_DMENU_LANDSCAPE_LINES=8
+export SXMO_DISABLE_LEDS=1
+export SXMO_NO_VIRTUAL_KEYBOARD=1
+export NO_AT_BRIDGE=1
+export GTK_A11Y=none
+export GTK_USE_PORTAL=0
+export GTK_IM_MODULE=fcitx
+export QT_IM_MODULE=fcitx
+export XMODIFIERS=@im=fcitx