fix: Various fixes for FieldsExpose, ListAccessor, TupleAccessor

examples/acceptance_tests/054/lib/tests.ak

@@ -0,0 +1,8 @@
+use aiken/dict
+use aiken/list
+use aiken/transaction/value.{Value}
+
+test test_quantity_of_1() {
+  let x = value.from_asset(#"000000", #"000020e05363726970744f776e6572", -1)
+  value.quantity_of(x, #"000000", #"000020e05363726970744f776e6572") < 0
+}