IDE-1109

    defined a foundDuplicate method for getCategory and propertySet
    method and add a matchDuplicate method to propertySet method to
    convert the category value to the category key.
IDE-1113

Change the display style from image+text to only image, because there is no enough space for style image+text.
IDE-1109

Add a method called findExistingCategory() to find the user typed duplicate categories, fixed the categories keys and values' order out of sync issue.