Automate || ChannelStore doesn't apply all data when constructing icon path

Steps to reproduce :

1. Log in http://localhost:8080/cms/home
2. Go to Content View
3. Select 'Images' in the top drop-down list to switch Image view
4. Add root folder 'channels'
5. Add a folder named 'myproject'
6. Upload attached 'us.png' and 'website.png' to 'myproject' folder.
7. Log in http://localhost:8080/cms/console/
8. Change the records from the console:
   /hippo:configuration/hippo:frontend/cms/hippo-channel-manager/channel-manager-perspective/channel-list:
   channelRegionIconPath: /content/gallery/channels/${id}/${region}.png/${region}.png/hippogallery:original
   channelTypeIconPath: /content/gallery/channels/${id}/${type}.png/${type}.png/hippogallery:original