Merge branch 'develop' into v6.3

Merge branch 'develop' into v6.3

* develop: (97 commits)
  Remove version specification on composer.json as per issue #9144
  Added unit tests for Tooltip.
  Fixed wrong reference to triggerClass option.
  Adjusted test case for up().
  Added unit tests for Accordion Menu.
  Included done callback in describe call properly.
  Removed unused variable and check if target is active before executing up().
  Included feedback from PR.
  Added unit tests for Accordion.
  Enhanced functionality of Accordion.
  docs typo
  Add visual test for PR #9146.
  Reload focusableElments at every tab keydown to fix issue #9130
  Add examples to top bar visual test
  Fix top bar flex grid example
  Add visual test for top bar flex grid
  Avoid reveal modal closing upon click of an element not in the DOM
  added event docblock for docs autogen
  orbit: add event beforeslidechange
  check if cb is a function
  ...

# Conflicts:
#	docs/partials/off-canvi.html