Fix trace message for function result

Author: Steve Lee (POWERSHELL HE/HIM) (from Dev Box)

dsc_lib/src/parser/expressions.rs

@@ -113,7 +113,9 @@ impl Expression {
     /// This function will return an error if the expression fails to execute.
     pub fn invoke(&self, function_dispatcher: &FunctionDispatcher, context: &Context) -> Result<Value, DscError> {
         let result = self.function.invoke(function_dispatcher, context)?;
-        trace!("{}", t!("parser.expression.functionResult", result = result : {:?}));
+        // TODO: check if `secret()` funciton and don't emit result
+        let result_json = serde_json::to_string(&result)?;
+        trace!("{}", t!("parser.expression.functionResult", results = result_json));
         if self.accessors.is_empty() {
             Ok(result)
         }