Port PR from PBS-Go: Equativ: SmartAdserver alias with update to use mtype

[cross-repo-issue-creation]

A PR was merged over on PBS-Go

• Equativ: SmartAdserver alias with update to use mtype prebid-server#4045
• timestamp: 2024-12-10T02:05:09Z

[muuki88]

These integration test files are the only ones needing to be adapted, right?
https://github.com/prebid/prebid-server-java/tree/master/src/test/resources/org/prebid/server/it/openrtb2/smartadserver