fix: unescape query id in http handlers

[gazenw]

Description

Spacers • are url-encoded in req.Id, causing it to fail rune name validation if req.Id contains it. This PR unescapes the parameter before validating and using

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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Enhancement (improvement to existing features and functionality)
• Documentation update (changes to documentation)
• Performance improvement (non-breaking change which improves efficiency)
• Code consistency (non-breaking change which improves code reliability and robustness)

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