Removed code redundancy

Factorize code for LSTM, in preparation of implementing GRU based on it.

include/aidge/operator/MetaOperatorDefs.hpp

@@ -260,6 +260,17 @@ inline std::shared_ptr<Node> PaddedMaxPooling(
     return PaddedMaxPooling(to_array(kernel_dims), name, stride_dims, padding_dims, ceil_mode);
 }
 
+/**
+ * @brief Creates an LSTM (Long Short-Term Memory) operation as a MetaOperator.
+ *
+ * This function creates an LSTM operation as a MetaOperator for use in graph-based computation.
+ *
+ * @param[in] seq_length The length of the input sequence.
+ * @return A shared pointer to the MetaOperator_Op representing the LSTM operation.
+ */
+std::shared_ptr<MetaOperator_Op> LSTM_Op(DimSize_t seq_length,
+                                         const std::string &name = "");
+
 /**
  * @brief Creates an LSTM (Long Short-Term Memory) operator.
  *
@@ -278,16 +289,6 @@ std::shared_ptr<Node> LSTM(DimSize_t in_channels,
                            bool noBias = false,
                            const std::string &name = "");
 
-/**
- * @brief Creates an LSTM (Long Short-Term Memory) operation as a MetaOperator.
- *
- * This function creates an LSTM operation as a MetaOperator for use in graph-based computation.
- *
- * @param[in] seq_length The length of the input sequence.
- * @return A shared pointer to the MetaOperator_Op representing the LSTM operation.
- */
-std::shared_ptr<MetaOperator_Op> LSTM_Op(DimSize_t seq_length);
-
 std::shared_ptr<MetaOperator_Op> LeakyOp();
 std::shared_ptr<Node> Leaky(const int nbTimeSteps,
                             const float beta,