Allow the unique assignment of Relationship IDs when publishing

[roemhildtg]

Similar to how we publish layers with a uniquely assigned ID, we also need to assign relationship IDs. This is because applications sometimes reference these ids and there is no rhyme or reason as to how relationship IDs get set internally so every time I publish after adding a layer that partakes in a relationship the IDs change. 

Please allow us to assign a relationship ID or ensure that ArcGIS doesn't renumber an existing relationship in a map when publishing to arcgis server.

[MatthewRantala1]

Just commenting that this is a enhancement in the queue (no idea when it will be implemented): https://support.esri.com/en-us/enhancement/add-the-option-allow-assignment-of-unique-numeric-ids-f-e...