Merge branch 'TrigL2MuonSA-00-03-63-master-fixRpcPadMsg1' into '21.0'

Fix of Message Level on RPC PAD in TrigL2MuonSA

See merge request !1039

Trigger/TrigAlgorithms/TrigL2MuonSA/src/MuCalStreamerTool.cxx

@@ -586,7 +586,7 @@ StatusCode TrigL2MuonSA::MuCalStreamerTool::createRpcFragment(const LVL1::RecMuo
 
     RpcPadContainer::const_iterator itPad = rpcPadContainer->indexFind(padIdHash);  
     if( itPad==rpcPadContainer->end() ) {        
-      ATH_MSG_ERROR("Failed to retrieve PAD hash Id " << padIdHash);  
+      ATH_MSG_WARNING("Failed to retrieve PAD hash Id " << padIdHash);  
       return StatusCode::FAILURE;                         
     }