Add pickers on all macro configuration fields with predefined values

• Design page: https://design.xwiki.org/xwiki/bin/view/Proposal/Improvingmacroconfigurations
• Discussion focused on macro configuration: https://forum.xwiki.org/t/macro-configuration-standards-ui-ux/14965/10

Related:

• Macro name next to move handle Issue: https://jira.xwiki.org/browse/XWIKI-22383
• Macro content vs boundary Issue: https://jira.xwiki.org/browse/XWIKI-22384
• Discussion focused on macro look and behaviour in edit mode: https://forum.xwiki.org/t/macros-for-newbies-blank-states-scary-set-up/14329/25