MM-53023: Add origin client to ObserveAPIEndpointDuration (#23631)

* Add origin device to ObserveAPIEndpointDuration

* Fix generation of einterfaces mocks

* make einterfaces-mocks

* Use request's query and headers to get origin

* Add desktop to the origin device identification

* Test originDevice function

* Rename origin device to origin client

server/einterfaces/metrics.go

@@ -58,7 +58,7 @@ type MetricsInterface interface {
 	IncrementFilesSearchCounter()
 	ObserveFilesSearchDuration(elapsed float64)
 	ObserveStoreMethodDuration(method, success string, elapsed float64)
-	ObserveAPIEndpointDuration(endpoint, method, statusCode string, elapsed float64)
+	ObserveAPIEndpointDuration(endpoint, method, statusCode, originClient string, elapsed float64)
 	IncrementPostIndexCounter()
 	IncrementFileIndexCounter()
 	IncrementUserIndexCounter()