rewrite constructord and resetValueHolder methods to use default

validator

tests/adc_valueholder_test.cpp

@@ -18,7 +18,7 @@ TEST_CASE("[ADC VALUEHOLDER]")
             return true;
     };
 
-    // adc::AdcValueHolder vh(getter, setter, validator);
+    adc::AdcValueHolder vht(getter, setter, adc::AdcValueHolder::_defaultTrivialConvTypes);
     adc::AdcValueHolder vh(getter, setter, validator);
     auto vah = adc::make_arith_valueholder(getter, setter);