Ozg 7573 forwarding interface

vorgang-manager-server/src/main/java/de/ozgcloud/vorgang/vorgang/redirect/ForwardingRemoteService.java

@@ -81,9 +81,9 @@ class ForwardingRemoteService {
 		try {
 			sendEingang(request, requestStreamObserver);
 			requestStreamObserver.onCompleted();
-		} catch (Throwable t) {
-			requestStreamObserver.onError(t);
-			throw t;
+		} catch (Exception e) {
+			requestStreamObserver.onError(e);
+			throw e;
 		}
 	}