Fix frontend freeze due to modbus device not responding (#49651)
Fix frontend freeze due to modbus device not responding (#49651)

Changing the timeout from package default, secures SENDING will
timeout, and after 3 retries break off.

Remark: this commit is tested with pymodbus v2.5.1 the old version
v2.3.0 have several problems in this area.
self._value = await self.async_get_last_state()

pymodbus v2.5.1 is active on DEV (bumped in an earlier PR).
jawilson/home-assistant,w1ll1am23/home-assistant,FreekingDean/home-assistant,FreekingDean/home-assistant,nkgilley/home-assistant,lukas-hetzenecker/home-assistant,kennedyshead/home-assistant,mezz64/home-assistant,rohitranjan1991/home-assistant,lukas-hetzenecker/home-assistant,GenericStudent/home-assistant,aronsky/home-assistant,sander76/home-assistant,jawilson/home-assistant,mezz64/home-assistant,toddeye/home-assistant,nkgilley/home-assistant,Danielhiversen/home-assistant,aronsky/home-assistant,Danielhiversen/home-assistant,home-assistant/home-assistant,kennedyshead/home-assistant,rohitranjan1991/home-assistant,home-assistant/home-assistant,GenericStudent/home-assistant,w1ll1am23/home-assistant,toddeye/home-assistant,rohitranjan1991/home-assistant,sander76/home-assistant