refactor(backups): update backup functions for config and moonraker database and enable backup-before-update again

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

scripts/gcode_shell_command.sh

@@ -103,7 +103,7 @@ function install_gcode_shell_command() {
 
 function create_example_shell_command() {
   ### create a backup of the config folder
-  backup_klipper_config_dir
+  backup_config_dir
 
   local configs regex path
   regex="${HOME//\//\\/}\/([A-Za-z0-9_]+)\/config\/printer\.cfg"
@@ -120,4 +120,4 @@ function create_example_shell_command() {
       sed -i "1 i [include shell_command.cfg]" "${cfg}"
     fi
   done
-}
+}