[Torch] Check input_port_id in __eq__ of PTTargetPoint (#2632)

### Changes

Check input_port_id in __eq__ of PTTargetPoins

### Reason for changes

To correctly check PTTargetPoints

nncf/torch/graph/transformations/commands.py

@@ -57,6 +57,7 @@ def __eq__(self, other: "PTTargetPoint"):
             isinstance(other, PTTargetPoint)
             and self.target_type == other.target_type
             and self.target_node_name == other.target_node_name
+            and self.input_port_id == other.input_port_id
         )
 
     def __str__(self):