chore: Adding data field in schema for defaults (#390)

Author: amrkk123

metadata.display.yaml

@@ -90,7 +90,7 @@ spec:
           altDefaults:
             - type: ALTERNATE_TYPE_DC
               value:
-                - schema: "[{\"description\": \"Full visitor ID\",\"mode\": \"NULLABLE\",\"name\": \"fullVisitorId\",\"type\": \"STRING\"},{\"description\": \"Visit number\",\"mode\": \"NULLABLE\",\"name\": \"visitNumber\",\"type\": \"INTEGER\"}]"
+                - schema: "[{\"description\": \"Full visitor ID\",\"mode\": \"NULLABLE\",\"name\": \"fullVisitorId\",\"type\": \"STRING\"},{\"description\": \"Visit number\",\"mode\": \"NULLABLE\",\"name\": \"visitNumber\",\"type\": \"INTEGER\"},{\"description\": \"Data\",\"mode\": \"NULLABLE\",\"name\": \"data\",\"type\": \"STRING\"}]"
                   table_id: table-1
         views:
           name: views