[Cleanup] Use explicit conversions for enum formatting (#4064)

This is prep for updating to fmt 10 which removed implicit conversions
for enums.

zone/client_packet.cpp

@@ -516,7 +516,7 @@ int Client::HandlePacket(const EQApplicationPacket *app)
 	case CLIENT_LINKDEAD:
 		break;
 	default:
-		LogDebug("Unknown client_state: [{}]\n", client_state);
+		LogDebug("Unknown client_state: [{}]\n", static_cast<int>(client_state));
 		break;
 	}
 
@@ -16342,7 +16342,7 @@ void Client::Handle_OP_XTargetRequest(const EQApplicationPacket *app)
 	}
 
 	default:
-		LogDebug("Unhandled XTarget Type [{}]", Type);
+		LogDebug("Unhandled XTarget Type [{}]", static_cast<int>(Type));
 		break;
 	}