Improve styling of xpage folders and documents part II

Change the following icons in the content perspective and project perspective:

From the supplied icons:

• Change the hardcode black stroke by "currentColor"
• remove id attributes
• remove title tags

Acceptance criteria

1. There are four icons (see screenshot) using rgba(0,0,0,.87), instead of rgba(0,0,0,.6). This color seems to be inherited from text class. Please note that xpage-icon-open and xpage-icon-close should be in rgba(0,0,0,.87) when they are selected.

2. Black in 60% (except status icons)
 

• 16px status - to be switched
  • Status published
  • Status modified
  • Status offline
• 32px - to be switched
  • Document type
  • Compound fields
• 36px - to be switched in Project
  • Page
  • Doc

Icon assets link: https://drive.google.com/open?id=1yKXsbj0O67tHY6aZQuLCMTfo8VTXxKAD&authuser=nien-hua.gu%40bloomreach.com&usp=drive_fs

Invision design mockup: https://bloomreach.invisionapp.com/console/share/UP2BCG5S98/570090607