cli: Don't show negative values

For none of the numeric properties a negative value
makes sense. Negative values can be considered
as 'no value present'.

cli/helper.h

@@ -64,7 +64,7 @@ template <typename intType>
 inline void printProperty(
     const char *propName, const intType value, const char *suffix = nullptr, bool force = false, ApplicationUtilities::Indentation indentation = 3)
 {
-    if (value != 0 || force) {
+    if (value >= 0 || force) {
         printProperty(propName, ConversionUtilities::numberToString<intType>(value).data(), suffix, indentation);
     }
 }