Added group by to top_x_... placeholder queries

Affects issues:
- Fixed #2191

Plan/common/src/main/java/com/djrapitops/plan/storage/database/queries/analysis/TopListQueries.java

@@ -44,6 +44,7 @@ public class TopListQueries {
                 AND + SessionsTable.SESSION_START + ">?" +
                 AND + SessionsTable.SESSION_END + "<?" +
                 ORDER_BY + "playtime DESC" +
+                GROUP_BY + "name" +
                 LIMIT + "10" +
                 OFFSET + "?";
 
@@ -76,6 +77,7 @@ public class TopListQueries {
                 AND + SessionsTable.SESSION_START + ">?" +
                 AND + SessionsTable.SESSION_END + "<?" +
                 ORDER_BY + "active_playtime DESC" +
+                GROUP_BY + "name" +
                 LIMIT + "10" +
                 OFFSET + "?";