Only use rofi_highlight when config file says to

networkmanager_dmenu

@@ -90,11 +90,15 @@ def dmenu_cmd(num_lines, prompt="Networks", active_lines=None):  # pylint: disab
             lines = "{} {}".format(lines, num_lines)
         if "pinentry" in args_dict:
             del args_dict["pinentry"]
-        if "rofi_highlight" in args_dict:
+        try:
+            rofi_highlight = conf.getboolean('dmenu', 'rofi_highlight')
+            del args_dict["rofi_highlight"]
+        except (configparser.NoOptionError, configparser.NoSectionError):
+            rofi_highlight = False
+        if rofi_highlight is True and "rofi" in dmenu_command:
             if active_lines:
                 dmenu_args.extend(["-a", ",".join([str(num)
                                                    for num in active_lines])])
-            del args_dict["rofi_highlight"]
         extras = (["-" + str(k), str(v)] for (k, v) in args_dict.items())
         res = [dmenu_command, "-p", str(prompt)]
         res.extend(dmenu_args)
@@ -331,7 +335,7 @@ def get_selection(aps, vpns, gsms, others):
     all_actions += gsms + empty_action if gsms else []
     all_actions += others
 
-    if rofi_highlight:
+    if rofi_highlight is True:
         inp = [str(action) for action in all_actions]
     else:
         inp = [('** ' if action.is_active else '   ') + str(action)
@@ -347,7 +351,7 @@ def get_selection(aps, vpns, gsms, others):
     if not sel.rstrip():
         sys.exit()
 
-    if not rofi_highlight:
+    if rofi_highlight is False:
         action = [i for i in aps + vpns + gsms + others
                   if ((str(i).strip() == str(sel.strip())
                        and not i.is_active) or