Add in-line documentation for actions that are introduced
by the bundle platform/commonUI/edit, which introduces
Edit mode. One of the common user interface bundles being
transitioned for WTD-574.
Add specs for remaining capabilities and capability
wrappers employed by Edit mode. Completes coverage
for bundle platform/commonUI/edit, which is being
transitioned along with other commonUI bundles in
WTD-574.
Add specs for the save and cancel conclude-editing
actions, part of bundle platform/commonUI/edit
(Edit Mode) which is transitioned among the various
common UI bundles. WTD-574