use full id as key for reporting messages

Signed-off-by: Sebastian Schüpbach <sebastian.schuepbach@unibas.ch>

src/main/scala/ch/memobase/models/ProcessingReport.scala

@@ -49,7 +49,7 @@ case class ReportingObject(id: String, status: ProcessingStatus, message: String
   import ReportingObject._
 
   override def toString: String =
-    s"""{"step": "media-converter", "timestamp": "$createTimestamp", "id": "$id", "status": "${
+    s"""{"step": "media-converter", "timestamp": "$createTimestamp", "id": "https://memobase.ch/digital/$id", "status": "${
       status match {
         case ProcessingSuccess => ProcessingSuccess.value
         case ProcessingWarning => ProcessingWarning.value