Fix values sanitizer handling queries with keys that contain dots

[imamatory]

Description

Fixes query sanitizer so that it doesn't mutate the original query object and properly handles dict keys containing dots.

Fixes #3034

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

• Test that query that contains keys having same name but one of them contains dot in it (e.g. name and name.morph) sanitized correctly

Does This PR Require a Core Repo Change?

• No.

Checklist:

See contributing.md for styleguide, changelog guidelines, and more.

• Followed the style guidelines of this project
• Changelogs have been updated
• Unit tests have been added
• Documentation has been updated

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: imamatory / name: Vadim Safonov (246db65, 4955484, 9d4fb30)

[github-actions]

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