fix(function-resource): lifecycle fixes

[NullVoxPopuli]

Resolves an issue where, when a function-resource is directly used in a template,
the lifecycle of invoking and running cleanup was incorrect when wrapped
in an if statement (or any conditional rendering situation). Now, when
a resource used within {{ ... }} is removed from the render tree, the
cleanup hook will run.

[cloudflare-workers-and-pages]

Deploying with    Cloudflare Pages

Latest commit:	c29d04e
Status:	✅  Deploy successful!
Preview URL:	https://5279d4c0.ember-resources.pages.dev
Branch Preview URL:	https://fix-resource-lifecycles.ember-resources.pages.dev

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[github-actions]

Estimated impact to a consuming app, depending on which bundle is imported

	js	min	min + gzip	min + brotli
/core/index.js	4.21 KiB	1.89 KiB	898 B	763 B
/util/debounce.js	2.67 KiB	797 B	415 B	348 B
/util/ember-concurrency.js	5.39 KiB	1.6 KiB	748 B	635 B
/util/function-resource.js	11.18 KiB	3.04 KiB	1.16 KiB	962 B
/util/function.js	4.09 KiB	1.83 KiB	720 B	615 B
/util/helper.js	1.8 KiB	303 B	218 B	177 B
/util/map.js	5.83 KiB	2.48 KiB	1.02 KiB	878 B
/util/remote-data.js	5.01 KiB	1.83 KiB	705 B	618 B

[github-actions]

🎉 This PR is included in version 4.9.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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