[5.1] Finder: Simplifying the populateState() method of SearchModel

[Hackwar]

Pull Request for Issue #43087 .

Summary of Changes

For reasons unobvious to me, we are using the data from the request object in our input object when populating the state of the SearchModel model. This PR changes this to be in line with all other models by simply using the input object.

Testing Instructions

Codereview?

Link to documentations

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• Documentation link for docs.joomla.org:

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[growunder]

Code reviewed, seams ok

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