Animations can't be imported after bone renaming

[Brachi]

Steps to reproduce (re5):

1. Import model (e.g. pl0000.mod)
2. Select armature and use Tools -> Autorename Bones
3. Import lmt animation (e.g pl00action.lmt) and apply to already imported armature

Error report:

==================
Albam error report
==================

Blender version: 4.2.1
Albam version: 0.4.0.dev11
Operating System: Linux-6.10.7-arch1-1-x86_64-with-glibc2.40
Error: KeyError: 'bpy_prop_collection[key]: key "0" not found'
Traceback:
  File "******/.config/blender/4.2/scripts/addons/albam/blender_ui/import_panel.py", line 64, in execute
    self._execute(item, context)
  File "******/.config/blender/4.2/scripts/addons/albam/blender_ui/import_panel.py", line 73, in _execute
    bl_container = import_function(item, context)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "******/.config/blender/4.2/scripts/addons/albam/engines/mtfw/animation.py", line 46, in load_lmt
    bone_index = _get_or_create_root_motion_bone(armature)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "******/.config/blender/4.2/scripts/addons/albam/engines/mtfw/animation.py", line 244, in _get_or_create_root_motion_bone
    pose_bone = armature.pose.bones[ROOT_BONE_NAME]
                ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^