Jacek Sieka d854317646
fix countdown over time period (#4449)
*sigh*

fixes:
```
Error: unhandled exception:
beacon_chain/beacon_chain_db_light_client.nim(214, 12)
`period.isSupportedBySQLite`  [AssertionDefect]
```
2022-12-30 21:36:31 +01:00
..
2021-10-12 13:36:52 +02:00
2022-11-08 20:06:54 +00:00
2022-04-14 17:39:37 +02:00