syz-manager: fix repro saving
syz-manager: fix repro saving

If manager is connected to dashboard it now does not save crashes.
Which means that when we save a repro the crash dir may not exist yet.
Create the dir when saving repros.

google/syzkaller,xairy/syzkaller,zoulasc/syzkaller,google/syzkaller,google/syzkaller,google/syzkaller,xairy/syzkaller,zoulasc/syzkaller,xairy/syzkaller,xairy/syzkaller,xairy/syzkaller,zoulasc/syzkaller,dotweiba/syzkaller,dotweiba/syzkaller,google/syzkaller,xairy/syzkaller,dotweiba/syzkaller,google/syzkaller,dotweiba/syzkaller,zoulasc/syzkaller,google/syzkaller,xairy/syzkaller