Add async with timeout to detect extras

[WillCodeForCats]

Attempt to work around reported issues with detection and certain versions of SolarEdge firmware.

[Kishi85]

hub.py - Line 555 is currently missing the "f" to mark the string for variable expansion hence "I{self._rr_unit}:" is always logged literally

[Kishi85]

hub.py - 1323/1563: Disabling self.global_power_control/self.advanced_power_control on TimeoutError will not allow the entities fixed with PR #824 become available again as it does not longer tries to read the corresponding modbus block or does it?

[WillCodeForCats]

They won't come back if the TimeoutError is triggered unless the integration is reloaded.

[WillCodeForCats]

They won't come back if the TimeoutError is triggered unless the integration is reloaded.

Commit 0b49bdb fixes this.

[WillCodeForCats]

TODO: research how async timeout context interacts with pymodbus timeout and retries and adjust timing if needed.

[WillCodeForCats]

Doubling the read context timeout from 3 seconds to 6 seconds for release.