Changes to prevent unnecessary tfe_registry_modules replacement

[Uk1288]

Description

Describe why you're making this change.
After a registry module is created and consecutive apply is run, the registry modules get recreated even though there is no change in the params. This PR adds changes to prevent unnecessary tfe_registry_modules replacement.

Remember to:

• Update the Change Log

• Update the Documentation

Testing plan

1. Create config with resource "tfe_registry_module"
2. Run an apply, it should be successful
3. Run another apply. Before this PR, new changes will be applied even though the params did not change
4. After this PR, no changes should be applied unless the params change.

External links

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Output from acceptance tests

Please run applicable acceptance tests locally and include the output here. See TESTS.md to learn how to run acceptance tests.

If you are an external contributor, your contribution(s) will first be reviewed before running them against the project's CI pipeline.

$ TESTARGS="-run TestAccTFERegistryModule" make testacc

...

[brandonc]

This seems to fix the issue. Sorry I suggested the change in the first place! 🙃 Can you add a CHANGELOG note? The next release will be 0.35.0