pkexec fix

data/live-installer.sh

-cd /usr/lib/live-installer
-GTK_THEME=Adwaita pkexec python3 main.py $*
+GTK_THEME=Adwaita pkexec python3 /usr/lib/live-installer/main.py $*

live-installer/main.py

 
 import os
+os.environ['GTK_THEME']="Adwaita"
+if not os.path.infile("installer.py"):
+    os.chdir("/usr/lib/live-installer")
+
 from gi.repository import Gtk, Gdk
 import gi
 from frontend.gtk_interface import InstallerWindow
 import sys
 import subprocess
 import gettext
-os.environ['GTK_THEME']="Adwaita"
 
 sys.path.insert(1, '/usr/lib/live-installer')