Add Experimental API for setting model name (#10518)
* Add experimental API for editing model name
* Change EditModelName to 'SetName'
* Change API to pass c_string
* Update SetName to edit the proto
* Test that the model proto gets changed
* Remove comments
* Skip inbox tests
* Use filehelper path
Co-authored-by: Numfor Mbiziwo-Tiapo <numform@microsoft.com>