Connatix Bid Adapter: copy entire imp[i].ext

[karimMourra]

🔧 Type of changes

• new bid adapter
• bid adapter update

✨ What's the context?

What's the context for the changes?
We want to obtain all of the data passed in imp[index].ext

Go equivalent: prebid/prebid-server#4521

🧠 Rationale behind the change

Why did you choose to make these changes? Were there any trade-offs you had to consider?

🧪 Test plan

How do you know the changes are safe to ship to production?
Updated unit tests

🏎 Quality check

• Are your changes following our code style guidelines?
• Are there any breaking changes in your code?
• Does your test coverage exceed 90%?
• Are there any erroneous console logs, debuggers or leftover code in your changes?