fix(fcm): Optimize SendEachInBatch with worker pool
#712
| Job | Run time |
|---|---|
| 2m 9s | |
| 2m 0s | |
| 4m 9s |
SendEachInBatch with worker pool
#712
| Job | Run time |
|---|---|
| 2m 9s | |
| 2m 0s | |
| 4m 9s |