Fix Approval task claiming issue

[sadilchamishka]

Purpose

$subjects

When particular approval task is in reserved state, all the tasks related to workflow will be in blocked state, not in ready state. Fix that issue by this PR

[Copilot]

Pull Request Overview

This PR fixes an issue with approval task claiming by correcting the task status filtering logic. The changes update comments and code to properly handle BLOCKED tasks instead of incorrectly referencing READY tasks.

• Updates filtering logic to handle BLOCKED task status instead of READY status
• Corrects comments to accurately describe the filtering behavior for workflow requests

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