feat: optimize unpacking properties in ServiceInfo (#1225) · python-zeroconf/python-zeroconf@1492e41

Original file line number	Diff line number	Diff line change
`@@ -361,20 +361,11 @@ def _unpack_text_into_properties(self) -> None:`
`361`	`361`	`strs.append(text[index : index + length])`
`362`	`362`	`index += length`
`363`	`363`
`364`		`-key: bytes`
`365`		`-value: Optional[bytes]`
`366`	`364`	`for s in strs:`
`367`		`-key_value = s.split(b'=', 1)`
`368`		`-if len(key_value) == 2:`
`369`		`-key, value = key_value`
`370`		`-else:`
`371`		`-# No equals sign at all`
`372`		`-key = s`
`373`		`-value = None`
`374`		`-`
	`365`	`+key, _, value = s.partition(b'=')`
`375`	`366`	`# Only update non-existent properties`
`376`	`367`	`if key and key not in result:`
`377`		`-result[key] = value`
	`368`	`+result[key] = value or None`
`378`	`369`
`379`	`370`	`# Properties should be set atomically`
`380`	`371`	`# in case another thread is reading them`