Fix mojibake in DX cluster and RBN spot comments where the source uses UTF-8

providers/spot/dxcluster.py

@@ -10,6 +10,7 @@ import telnetlib3
 from core.config import SERVER_OWNER_CALLSIGN
 from data.spot import Spot
 from providers.spot.spot_provider import SpotProvider
+from core.utils import decode_telnet_bytes
 
 logger = logging.getLogger(__name__)
 
@@ -96,7 +97,7 @@ class DXCluster(SpotProvider):
                 try:
                     # Check new telnet info against regular expression
                     telnet_output = self._telnet.read_until("\n".encode("latin-1"))
-                    match = self._spot_line_pattern.match(telnet_output.decode("latin-1"))
+                    match = self._spot_line_pattern.match(decode_telnet_bytes(telnet_output))
                     if match:
                         spot_time = datetime.strptime(match.group(5), "%H%MZ").replace(tzinfo=pytz.UTC)
                         spot_datetime = datetime.combine(