Move socket_enabled fixture to decorator (#118847)

tests/components/hassio/test_handler.py

@@ -320,10 +320,10 @@ async def test_api_ingress_panels(
         ("update_diagnostics", "POST", True),
     ],
 )
+@pytest.mark.usefixtures("socket_enabled")
 async def test_api_headers(
     aiohttp_raw_server,  # 'aiohttp_raw_server' must be before 'hass'!
     hass: HomeAssistant,
-    socket_enabled: None,
     api_call: str,
     method: Literal["GET", "POST"],
     payload: Any,