[HOLD for payment 2024-07-25] Add support for "Reuse existing connection" flow for NetSuite

[yuwenmemon]

@mananjadhav @shubham1206agra

One part of the design doc we missed was the Reuse Existing Connection flow.

Luckily, this has been implemented for Intacct, and the API was built out here so it be relatively simple to implement

Kapture.2024-07-12.at.12.29.20.mp4

[melvin-bot]

⚠️ Looks like this issue was linked to a Deploy Blocker here

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[melvin-bot]

Reviewing label has been removed, please complete the "BugZero Checklist".

[melvin-bot]

The solution for this issue has been 🚀 deployed to production 🚀 in version 9.0.8-6 and is now subject to a 7-day regression period 📆. Here is the list of pull requests that resolve this issue:

• [#Wave-Control: Add NetSuite] Reuse Existing Connection for NetSuite and Sage Intacct #45375

If no regressions arise, payment will be issued on 2024-07-25. 🎊

[yuwenmemon]

Part of project work from @mananjadhav so closing this out