#6236 Improve URL paths handling

[sosnovsky]

This PR adds encodeURIComponent for dynamic path segments + uses URLSearchParams and Url.create for query strings

close #6236

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Tests (delete all except exactly one):

• Tests added or updated

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To be filled by reviewers

I have reviewed that this PR... (tick whichever items you personally focused on during this review):

• addresses the issue it closes (if any)
• code is readable and understandable
• is accompanied with tests, or tests are not needed
• is free of vulnerabilities
• is documented clearly and usefully, or doesn't need documentation

[martgil]

LGTM - Thanks for the fix!