[IMP] doc: translate consolidation label

The `consolidation_label` attribute is replaced by `string`. This way,
the label is taken into account by the translation tools.

This is the modification of the documentation regarding the Enterprise
improvement.

opw-683601

doc/reference/views.rst

@@ -1041,7 +1041,7 @@ take the following attributes:
   .. warning::
       The dictionnary definition must use double-quotes, ``{'user_id': 100}`` is
       not a valid value
-``consolidation_label``
+``string``
   string to display next to the consolidation value, if not specified, the label
   of the consolidation field will be used
 ``fold_last_level``