Host first seen timestamp not cached

[martinscheu]

Environment:

• ntopng version/revision: [e.g. 5.1.211223] ntopng Enterprise XL v.6.1.240623 (Ubuntu 22.04.4 LTS) |

What happened:
The host information "first seen" is not cached when restarting ntopng.
Cache settings:

For security analysis it would be great if first seen is never over written, or store this information in clickhouse.
Thank you!

How did you reproduce it?

Debug Information:

[DGabri]

First seen value should not be overwritten when the ntopng instance is restarted for security reasons