Perf | avoid copying of an array for SqlBinary in TdsParser

follow up changes for PR dotnet#1934

Author: wilbit

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/TdsParser.cs

@@ -5953,7 +5953,11 @@ internal bool DeserializeUnencryptedValue(SqlBuffer value, byte[] unencryptedByt
                             unencryptedBytes = bytes;
                         }
 
-                        value.SqlBinary = new SqlBinary(unencryptedBytes);   // doesn't copy the byte array
+#if NET7_0_OR_GREATER
+                        value.SqlBinary = SqlBinary.WrapBytes(unencryptedBytes);
+#else
+                        value.SqlBinary = SqlTypeWorkarounds.SqlBinaryCtor(unencryptedBytes, true);   // doesn't copy the byte array
+#endif
                         break;
                     }