Update cases and templates per review

...inding-async-iteration/obj-ptrn-prop-id-init-skipped.case

...binding-async-iteration/obj-ptrn-prop-id-init-throws.case

...g-async-iteration/obj-ptrn-prop-id-init-unresolvable.case

src/dstr-binding-async-iteration/obj-ptrn-prop-id-init.case

...ding-async-iteration/obj-ptrn-prop-id-trailing-comma.case

src/dstr-binding-async-iteration/obj-ptrn-prop-id.case

src/dstr-binding-async-iteration/obj-ptrn-prop-obj-init.case

...binding-async-iteration/obj-ptrn-prop-obj-value-null.case

...inding-async-iteration/obj-ptrn-prop-obj-value-undef.case

src/dstr-binding-async-iteration/obj-ptrn-prop-obj.case