Module: PrebidServer Alias Fix

[r-schweitzer]

Issue is here: https://github.com/prebid/Prebid.js/issues/8831

Type of change

• [x] Bugfix
• [ ] Feature
• [ ] New bidder adapter
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Does this change affect user-facing APIs or examples documented on http://prebid.org?
• [ ] Other

Description of change

Code doesn't need a bid adapter to be available to setAlias