erp5_core: edit title of TemplateTool_viewMigrateBusinessTemplateListToNewFormatDialog form

so that it follows naming convention ('To' is a closed-class word and should not be titlecased)

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/TemplateTool_viewMigrateBusinessTemplateListToNewFormatDialog.xml

@@ -104,7 +104,7 @@
         </item>
         <item>
             <key> <string>title</string> </key>
-            <value> <string>Migrate Business Templates To New Format</string> </value>
+            <value> <string>Migrate Business Templates to New Format</string> </value>
         </item>
         <item>
             <key> <string>unicode_mode</string> </key>