Disable cross-browser AppSwitch query parameters (5441)

[hmouhtar]

The current approach for handling cross-browser AppSwitch flows relies on adding query parameters to the return URL. This approach broke the same-tab AppSwitch flow because with the addition of the query parameters, the browser detects the return URL as a different URL and opens a new tab, causing all orders to go through the resume flow.

This will be solved on a later release by #3755, in the meantime, PayPal has requested to disable support for cross-browser AppSwitch, which is done in this PR.

[github-actions]

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What's included:

• ✅ WordPress (latest)
• ✅ WooCommerce (latest)
• ✅ PayPal Payments plugin v3.2.0-pr3761-18408636794-gde12884 (built from this PR)

Login credentials:

• Username: admin
• Password: password

Plugin Details:

• Version: 3.2.0-pr3761-18408636794-gde12884
• Commit: de12884
• Artifact: woocommerce-paypal-payments-3.2.0-pr3761-18408636794-gde12884

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