Fixing possible race condition with partprobe (#796)

* Update partition.py

* Added sleep after partprobe

Added sleep after partprobe. Without this tools such as lsblk may be unable to retrieve certain properties of devices (such as partuuid).

archinstall/lib/disk/filesystem.py

@@ -127,6 +127,7 @@ class Filesystem:
 
 	def partprobe(self):
 		SysCommand(f'bash -c "partprobe"')
+		time.sleep(1)
 
 	def raw_parted(self, string: str):
 		if (cmd_handle := SysCommand(f'/usr/bin/parted -s {string}')).exit_code != 0:

archinstall/lib/disk/partition.py

@@ -207,6 +207,7 @@ class Partition:
 
 	def partprobe(self):
 		SysCommand(f'bash -c "partprobe"')
+		time.sleep(1)
 
 	def detect_inner_filesystem(self, password):
 		log(f'Trying to detect inner filesystem format on {self} (This might take a while)', level=logging.INFO)