remove dbus module for Flatpak session

... because it generates errors

Author: vikdevelop

src/main_window.py

@@ -4,7 +4,6 @@
 import gi
 import glob
 import sys
-import dbus
 import shutil
 from localization import _, home
 from urllib.request import urlopen
@@ -23,6 +22,7 @@
 
 # FOR SNAP: create the cache directory
 if snap:
+    import dbus
     os.makedirs(f"{CACHE}", exist_ok=True)
 
 # load GSettings database for viewing and saving user settings of the app