Fix DSMR Reader providing strings as timestamps (#60988)
Fix DSMR Reader providing strings as timestamps (#60988)


jawilson/home-assistant,jawilson/home-assistant,rohitranjan1991/home-assistant,toddeye/home-assistant,toddeye/home-assistant,GenericStudent/home-assistant,rohitranjan1991/home-assistant,w1ll1am23/home-assistant,mezz64/home-assistant,mezz64/home-assistant,w1ll1am23/home-assistant,rohitranjan1991/home-assistant,nkgilley/home-assistant,nkgilley/home-assistant,GenericStudent/home-assistant