Imply arraydims of one only for arrays with no arraydims defined

src/server/ua_services_attribute.c

@@ -651,7 +651,7 @@ compatibleValueRankValue(UA_Int32 valueRank, const UA_Variant *value) {
         return true;
 
     size_t arrayDims = value->arrayDimensionsSize;
-    if(!UA_Variant_isScalar(value))
+    if(arrayDims == 0 && !UA_Variant_isScalar(value))
         arrayDims = 1; /* array but no arraydimensions -> implicit array dimension 1 */
     return compatibleValueRankArrayDimensions(valueRank, arrayDims);
 }