live: drop IniciarSesion script when uefi booting

Replace IniciarSesion script in favor of native Python code when booting
a UEFI system. This applies when running the "session" command.

WIP: Only UEFI boots Windows systems. Raise NotImplementedError
exception trying to boot a Linux system using UEFI.

src/live/ogOperations.py

@@ -32,6 +32,8 @@ from src.utils.probe import os_probe, cache_probe
 from src.utils.disk import *
 from src.utils.cache import generate_cache_txt, umount_cache, init_cache
 from src.utils.tiptorrent import *
+from src.utils.uefi import *
+from src.utils.boot import *
 from src.utils.sw_inventory import get_package_set
 from src.utils.hw_inventory import get_hardware_inventory, legacy_list_hardware_inventory
 
@@ -259,6 +261,14 @@ class OgLiveOperations:
     def session(self, request, ogRest):
         disk = request.getDisk()
         partition = request.getPartition()
+
+        if is_uefi_supported():
+            logging.info('UEFI support detected')
+            logging.info(f'Booting disk={disk} partition={partition}')
+            boot_os_at(int(disk), int(partition))
+            self.reboot()
+            return
+
         cmd = f'{ogClient.OG_PATH}interfaceAdm/IniciarSesion {disk} {partition}'
 
         try: