add trim for descriptionPropertyValue (#100)

try to fix #81

for selectContent.jelly  <j:forEach var="value" items="${effectiveValue}"> this will be trim by jelly tag forEach.

for computeDefaultValue this will be trim by method computeDefaultValueMap

but descriptionPropertyValue was not trim.

Change-Id: Ic05be1679436d7c6c80c4d585a301acfbeaa5cc7

Co-authored-by: bright.ma <bright.ma@magesfc.com>

src/main/java/com/cwctravel/hudson/plugins/extended_choice_parameter/ExtendedChoiceParameterDefinition.java

@@ -499,7 +499,7 @@ private Map<String, String> computeDescriptionPropertyValueMap(String effectiveV
         String[] descriptionPropertyValues =
             StringUtils.split(effectiveDescriptionPropertyValue, ',');
         for (int i = 0; i < values.length && i < descriptionPropertyValues.length; i++) {
-          descriptionPropertyValueMap.put(values[i], descriptionPropertyValues[i]);
+          descriptionPropertyValueMap.put(StringUtils.trim(values[i]), StringUtils.trim(descriptionPropertyValues[i]));
         }
       }
     }