Fix: #1460: init MTS coeff Constraint in MTS loop during Intra Search

source/Lib/EncoderLib/IntraSearch.cpp

@@ -3873,6 +3873,7 @@ bool IntraSearch::xRecurIntraCodingLumaQT( CodingStructure &cs, Partitioner &par
       }
 
       cuCtx.mtsLastScanPos = false;
+      cuCtx.violatesMtsCoeffConstraint = false;
       //----- determine rate and r-d cost -----
       if( ( sps.getUseLFNST() ? ( modeId == lastCheckId && modeId != 0 && checkTransformSkip ) : ( trModes[ modeId ].first != 0 ) ) && !TU::getCbfAtDepth( tu, COMPONENT_Y, currDepth ) )
       {