Unsupported LF language prevents intent handling

[NeonDaniel]

It appears that a message in a language not supported by LF raises an exception in the normalization step before intent processing. It seems like this should skip normalization and proceed to intent parsing, rather than raising an exception

2022-05-20 22:27:51.837 - neon_skill - mycroft.skills.intent_service:handle_utterance:338 - ERROR - Invalid input: ru
Traceback (most recent call last):
  File "/usr/local/lib/python3.8/site-packages/mycroft/skills/intent_service.py", line 291, in handle_utterance
    setup_locale(lang)  # set default lang
  File "/usr/local/lib/python3.8/site-packages/mycroft/configuration/locale.py", line 93, in setup_locale
    load_languages([lang_code, "en-us"])
  File "/usr/local/lib/python3.8/site-packages/mycroft/configuration/locale.py", line 82, in load_languages
    LF.load_languages(langs)
  File "/usr/local/lib/python3.8/site-packages/lingua_franca/internal.py", line 198, in load_languages
    load_language(lang)
  File "/usr/local/lib/python3.8/site-packages/lingua_franca/internal.py", line 187, in load_language
    _set_active_langs(__loaded_langs)
  File "/usr/local/lib/python3.8/site-packages/lingua_franca/internal.py", line 129, in _set_active_langs
    set_default_lang(get_full_lang_code(__loaded_langs[0]))
  File "/usr/local/lib/python3.8/site-packages/lingua_franca/internal.py", line 283, in set_default_lang
    _refresh_function_dict()
  File "/usr/local/lib/python3.8/site-packages/lingua_franca/internal.py", line 137, in _refresh_function_dict
    populate_localized_function_dict(mod, langs=__loaded_langs)
  File "/usr/local/lib/python3.8/site-packages/lingua_franca/internal.py", line 633, in populate_localized_function_dict
    primary_lang_code = get_primary_lang_code(lang_code)
  File "/usr/local/lib/python3.8/site-packages/lingua_franca/internal.py", line 300, in get_primary_lang_code
    lang = __get_primary_lang_code_deprecation_warning(lang)
  File "/usr/local/lib/python3.8/site-packages/lingua_franca/internal.py", line 340, in __get_primary_lang_code_deprecation_warning
    raise(ValueError("Invalid input: " + lang))
ValueError: Invalid input: ru

[JarbasAl]

Note: ru is supported in latest ovos-lingua-franca release