Fix URL validation by preserving percent-encoded characters

[kidneyweakx]

This issue where the @braintree/sanitize-url package automatically decodes certain percent-encoded characters (e.g., %E5%BD%93%E5%89%8D into 当前). This causes the sanitized URL to differ from the original, which can result in false validation failures for URLs containing encoded Unicode characters.

To resolve this:

• Updated the isValidURL function to use encodeURI, ensuring that percent-encoded characters are properly maintained.
• The function now checks both the original and encoded sanitized URLs, improving validation accuracy.

This fix ensures that URLs with percent-encoded Unicode characters are considered valid if they match either the original or the encoded version of the sanitized URL.

Test Cases:

• Verified that both valid and invalid URLs are correctly handled after this update.

Before

After

Let me know if you need any further changes!

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