Allow bin extension to detect diffusers-ti provided as file (#3796)

Author: blessedcoolant

invokeai/backend/model_management/models/textual_inversion.py

@@ -68,7 +68,7 @@ def detect_format(cls, path: str):
                 return None # diffusers-ti
 
         if os.path.isfile(path):
-            if any([path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt"]]):
+            if any([path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt", "bin"]]):
                 return None
 
         raise InvalidModelException(f"Not a valid model: {path}")