metrics: store sf project id in projectId not userId (#3569)

Author: marksvc

src/SIL.XForge.Scripture/Services/IMachineApiService.cs

@@ -25,7 +25,7 @@ Task<DraftApplyResult> ApplyPreTranslationToProjectAsync(
         CancellationToken cancellationToken
     );
 
-    [LogEventMetric(EventScope.Drafting, nameof(sfProjectId))]
+    [LogEventMetric(EventScope.Drafting, projectId: nameof(sfProjectId))]
     Task BuildCompletedAsync(string sfProjectId, string buildId, string buildState, Uri websiteUrl);
 
     [LogEventMetric(EventScope.Drafting, nameof(curUserId), nameof(sfProjectId), captureReturnValue: true)]