manager: unify handling of various stats in web ui
manager: unify handling of various stats in web ui

xairy/syzkaller,google/syzkaller,google/syzkaller,zoulasc/syzkaller,sploving/syzkaller,hyz0906/syzkaller,google/syzkaller,zoulasc/syzkaller,zoulasc/syzkaller,xairy/syzkaller,dotweiba/syzkaller,google/syzkaller,hyz0906/syzkaller,xairy/syzkaller,xairy/syzkaller,dotweiba/syzkaller,hyz0906/syzkaller,zoulasc/syzkaller,google/syzkaller,hyz0906/syzkaller,google/syzkaller,sploving/syzkaller,sploving/syzkaller,xairy/syzkaller,sploving/syzkaller,dotweiba/syzkaller,xairy/syzkaller,dotweiba/syzkaller,hyz0906/syzkaller,xairy/syzkaller,google/syzkaller