fix scheme tests

Author: gridnevvvit

ydb/tests/functional/scheme_tests/canondata/tablet_scheme_tests.TestTabletSchemes.test_tablet_schemes_flat_schemeshard_/flat_schemeshard.schema

@@ -7145,6 +7145,16 @@
                 "ColumnId": 4,
                 "ColumnName": "DefaultFromLiteral",
                 "ColumnType": "String"
+            },
+            {
+                "ColumnId": 5,
+                "ColumnName": "NotNull",
+                "ColumnType": "Bool"
+            },
+            {
+                "ColumnId": 6,
+                "ColumnName": "FamilyName",
+                "ColumnType": "String"
             }
         ],
         "ColumnsDropped": [],
@@ -7154,7 +7164,9 @@
                     1,
                     2,
                     3,
-                    4
+                    4,
+                    5,
+                    6
                 ],
                 "RoomID": 0,
                 "Codec": 0,