Add support for get and set of fields via an expression rather than identifier, primarily useful for using indexing values on a dynamic object being using as a map/datastore.
coverage: 95.937% (+0.04%) from 95.9%
when pulling 10b5c23407f573d4d74537ad8fe5f19e92e445b5 on dyn-prop
into 62ad87d0d206114d008e4b765e2f1320ad002152 on main.
Add support for get and set of fields via an expression rather than identifier, primarily useful for using indexing values on a dynamic object being using as a map/datastore.