fix: ao distance value usage

[MajorMeerkatThe3rd]

fixes #30

There were issues with the aoDistance in both the ssao and the hbao implementation. I also move the distance value to the denoiser, as it is needed in the shader there as well. Then the example from the mentioned issue works as expected.

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Name	Status	Preview	Updated (UTC)
realism-effects	✅ Ready (Inspect)	Visit Preview	Sep 26, 2023 7:31am

[0beqz]

Thanks for the PR! I'll have a deeper look into it soon. The HBAO code has barely changed so it should be no issue to integrate that.