Generic Embedding - Select Key or Unique Name for Link configuration

[Cloud release: 2024.10.16]
[On-prem release: 2025 January]
[On-prem build: 25.01.21002] 

From the October 2024 Cloud version, when configuring the link, you can now select either "Key" or "Unique name". With this implementation, the links support dimensions with combined keys.