Case-insensitive FieldGroup binding #10426

Modified buildAndBindMemberFields to use a new findPropertyId method
when searching propertyIds. Fixed BeanFieldGroup to work with the
modified property id searching.

Change-Id: Ib5d011db93f04d7a2c6dbb0990af7c35f0489193
Merge "Case-insensitive FieldGroup binding #10426"