[Refactor] Change formatting

aidge_export_cpp/templates/kernel_forward/elemwise_forward.jinja

@@ -3,7 +3,10 @@
 elemwise_forward<{{name|upper}}_NB_ELTS,
                  {{name|upper}}_ELEM_OP,
                  {{name|upper}}_ACTIVATION>
-                 ({{out_name[0]}}, {{name|upper}}_RESCALING, {{in_name[0]}}, {{in_name[1]}});
+                 ({{out_name[0]}},
+                 {{name|upper}}_RESCALING,
+                 {{in_name[0]}},
+                 {{in_name[1]}});
 {% include "./_save_outputs.jinja" %}
 {% include "./_aidge_cmp.jinja" %}
 {% endfilter %}