branch-3.1: [fix](mv) Fix stats unknown when calc sync mv plan statistics #58426#58913

morrySnow merged 4 commits intoapache:branch-3.1apache/doris:branch-3.1from

seawinde:fix_sync_mv_stats_unknow_mv_not_chosen_31seawinde/doris:fix_sync_mv_stats_unknow_mv_not_chosen_31Copy head branch name to clipboard