feat: add Qwen Qwen-3 provider and update audio/media handling

- Introduce `Qwen_Qwen_3` provider in `g4f/Provider/hf_space/Qwen_Qwen_3.py`
- Register Qwen_Qwen_3 in `g4f/Provider/hf_space/__init__.py` and add it to `HuggingSpace`
- Update `MarkItDown` in `g4f/Provider/audio/MarkItDown.py` to accept and forward `llm_client` and `llm_model` kwargs; add async handling for `text_content`
- Modify audio route in `g4f/api/__init__.py` to pass `llm_client` for MarkItDown and set `modalities` only for other providers
- Adjust `OpenaiChat` (needs_auth) to merge media for upload and check for media presence before requesting images
- Change `get_tempfile` in `g4f/tools/files.py` to determine suffix from file extension using `os.path.splitext`
- Refactor provider listing and model mapping in `AnyProvider.get_models()` (g4f/providers/any_provider.py) to update provider order, support new `HarProvider`, initialize attributes, and guard against model_aliases being None
- Ensure `AnyProvider.create_async_generator` calls `get_models` before working with providers

g4f/Provider/needs_auth/OpenaiChat.py

@@ -337,7 +337,8 @@ class OpenaiChat(AsyncAuthedProvider, ProviderModelMixin):
             timeout=timeout
         ) as session:
             image_requests = None
-            if not cls.needs_auth:
+            media  = merge_media(media, messages)
+            if not cls.needs_auth and not media:
                 if cls._headers is None:
                     cls._create_request_args(cls._cookies)
                     async with session.get(cls.url, headers=INIT_HEADERS) as response:
@@ -352,7 +353,7 @@ class OpenaiChat(AsyncAuthedProvider, ProviderModelMixin):
                     cls._update_request_args(auth_result, session)
                     await raise_for_status(response)
                 try:
-                    image_requests = await cls.upload_images(session, auth_result, merge_media(media, messages))
+                    image_requests = await cls.upload_images(session, auth_result, media)
                 except Exception as e:
                     debug.error("OpenaiChat: Upload image failed")
                     debug.error(e)