Fix for #14551: View creators and their session count

src/main/resources/views/statistics

@@ -5,6 +5,10 @@
 		"statistics":{
 			"map":"function(doc) { if (doc.type == 'session') { if (doc.active == 1) { emit('openSessions', 1); } else { emit('closedSessions', 1); } } if (doc.type == 'skill_question') { if (doc.questionVariant === 'lecture') { emit('lectureQuestions', 1); } else if (doc.questionVariant === 'preparation') { emit('preparationQuestions', 1); } } if (doc.type == 'skill_question_answer') { emit('answers', 1); } if (doc.type === 'interposed_question') { emit ('interposedQuestions', 1); } }",
 			"reduce":"_count"
+		},
+		"unique_session_creators":{
+			"map":"function(doc) { if (doc.type === 'session') { emit(doc.creator, 1); } }",
+			"reduce":"_count"
 		}
 	}
 }