Update Service Desk to use updated Vue standards (and remove from main bundle)

Closes #2383

See merge request !1874

CE upstream: Thursday

Closes gitlab-ce#32738, gitlab-ce#32647, #2440, gitlab-ce#32551, #2241, gitlab-ce#32449, gitlab-ce#32424, gitlab-ce#30814, and gitlab-ce#17489

See merge request !1981

Further clarify burndown chart functionality in docs

See merge request !1973

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Add missing UX for "License features applied to Groups or individuals"

See merge request !1967

Allow multiple assignees to be chosen from dropdown filters

Closes #1967

See merge request !1494

[ci skip]

[ci skip]

 - Remove Vue from main bundle,
   https://gitlab.com/gitlab-org/gitlab-ee/issues/2383
 - Use .vue files
 - Fix bug where we always show an error when the checkbox is enabled.
   Introduced in https://gitlab.com/gitlab-org/gitlab-ee/commit/f387a164210913ac417bf04e1ea12d6d058fb118

Check if a merge request is approved when merging from API or slash command

Closes #2052

See merge request !1962

Use smaller image when triggering a build

See merge request !11674

Fix transient error clicking dropdown items in compare_spec.rb

See merge request !11582

Add notes to the kubernetes install docs regarding source IPs

Closes #32890

See merge request !11697

Add docs on milestone percentage stats

See merge request !11428

Resolve "Remove duplicated config code for filtered search dropdowns" (EE Version)

See merge request !1932

Fix alignment of hover state on emoji button

Closes #32850

See merge request !11691

Use briefcase icon for company

Closes #32807

See merge request !11692

This reverts commit 8c0ab358.