fix: address issues caused by shape members named result

[0marperez]

Issue #

N/A

Description of changes

Shapes with members named "result" would cause naming collisions due to the local variable also named "result" in the hashcode function. If we access the result member using this we're able to remove ambiguity caused by the naming collision.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[github-actions]

Affected Artifacts

Changed in size

Artifact	Pull Request (bytes)	Latest Release (bytes)	Delta (bytes)	Delta (percentage)
http-test-jvm.jar	62,181	59,427	2,754	4.63%
crt-util-jvm.jar	21,733	21,055	678	3.22%
aws-signing-default-jvm.jar	68,505	66,941	1,564	2.34%
runtime-core-jvm.jar	852,677	835,526	17,151	2.05%
http-client-engine-crt-jvm.jar	54,233	53,980	253	0.47%
aws-signing-crt-jvm.jar	16,114	16,081	33	0.21%
test-suite-jvm.jar	99,844	100,085	-241	-0.24%