Aggregations: Fix MetricMax::merge_results and min/max submetrics
Aggregations: Fix MetricMax::merge_results and min/max submetrics

Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand