fixup! pdm: introduce a asCellRange script for Measure

from a41f71c3 :
> Remove the TALES for lines, columns and tab on the matrix box because
> the default behavior is to call this updateCellRange script

that's not true, we have to list the asCellRange script explicitly.

bt5/erp5_pdm/SkinTemplateItem/portal_skins/erp5_pdm/Measure_view/matrixbox.xml

@@ -208,6 +208,10 @@
                     <key> <string>alternate_name</string> </key>
                     <value> <string></string> </value>
                 </item>
+                <item>
+                    <key> <string>as_cell_range_script_id</string> </key>
+                    <value> <string>Measure_asCellRange</string> </value>
+                </item>
                 <item>
                     <key> <string>cell_base_id</string> </key>
                     <value> <string>cell</string> </value>