[xcvrd] change log content and log level when application is not found (

#503)

sonic-xcvrd/xcvrd/xcvrd.py

@@ -160,7 +160,7 @@ def get_cmis_application_desired(api, host_lane_count, speed):
         get_interface_speed(app_info.get('host_electrical_interface_id')) == speed):
             return (index & 0xf)
 
-    helper_logger.log_error(f'Failed to get desired application from {appl_dict}')
+    helper_logger.log_notice(f'No application found from {appl_dict} with host_lane_count={host_lane_count} speed={speed}')
     return None