erp5_catalog: Revert back monkeypatching of CatalogTool.getPath

Now as CatalogTool is a ERP5 object(BaseTool), we need CatalogTool.getPath
to direct to getPath function from Base class, so the best way was to change
the tests where it relied on CatalogTool.getPath to call getpath from ZSQLCatalog.

product/ERP5Catalog/CatalogTool.py

@@ -350,7 +350,6 @@ class CatalogTool (BaseTool, ZCatalog, CMFCoreCatalogTool):
     # we use this function here to sometimes get objects to delete which if
     # not solved of inheritance conflict might lead to catalog deletion.
     getObject = ZCatalog.getObject
-    getPath = ZCatalog.getpath
 
     def __init__(self):
         ZCatalog.__init__(self, self.getId())

product/ERP5Type/tests/testCopySupport.py

@@ -89,7 +89,7 @@ class TestCopySupport(ERP5TypeTestCase):
     person = self.portal.person_module.newContent(portal_type='Person',
                                                   address_city='Lille')
     self.tic()
-    getPath = self.portal.portal_catalog.getPath
+    getPath = self.portal.portal_catalog.getpath
     address = person.default_address
     self.assertEqual(address.getPath(), getPath(address.getUid()))
     person.recursiveReindexObject()