Resolve "missing design for wiki page"

To Do:

• Move page navigation from sub-menu to sidebar menu
• Update wiki page header
• Update wiki edit page actions and header
• Update Git access page design
• Add search to sidebar navigation

Screen Shots:

@media (min-width: $screen-lg)

@media (min-width: $screen-md)

@media (min-width: $screen-sm)

Does this MR meet the acceptance criteria?

• Changelog entry added
• Documentation created/updated
• Tests
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #18546 (closed)

Added 6 commits:

• b8804818 - move wiki navbar content to right sidebar
• ab9a8775 - add active states to sidebar nav
• 118ad23f - update design of wiki git access page
• 5a799ba9 - allow wiki sidebar to scroll on overflow
• 62da93df - add wiki page list to sidebar
• 63505833 - update wiki pages with new design

Compare with previous version

Added 1 commit:

• f4230b9c - fix tests broken by new wiki page design

Compare with previous version

Marked the task Move page navigation from sub-menu to sidebar menu as completed

Marked the task Update wiki page header as completed

Marked the task Update wiki edit page actions and header as completed

Marked the task Update Git access page design as completed

Added 1 commit:

• 141f96aa - fix tests broken by new wiki page design

Compare with previous version

Added 1 commit:

• 3b7032c0 - fix tests broken by new wiki page design

Compare with previous version

Added 1 commit:

• 0a2acd46 - fix tests broken by new wiki page design

Compare with previous version

Marked the task Conform by the merge request performance guides as completed

Marked the task Conform by the style guides as completed

Marked the task Branch has no merge conflicts with master (if it does - rebase it please) as completed

Added 114 commits:

• 0a2acd46...fb952df9 - 105 commits from branch master
• 334457fb - move wiki navbar content to right sidebar
• 3d1cd881 - add active states to sidebar nav
• 5e9c29ff - update design of wiki git access page
• 88dc5bef - allow wiki sidebar to scroll on overflow
• a40f68a5 - add wiki page list to sidebar
• db4cc45e - update wiki pages with new design
• 55819e70 - fix tests broken by new wiki page design
• 3ad319e5 - prevent sidebar toggle from overlapping git access header on mobile
• 39a6656b - use wiki pages index for sidebar overflow and limit sidebar list to 15 pages

Compare with previous version

Mentioned in commit c6399840

Added 1 commit:

• c6399840 - add CHANGELOG entry for !7429 (merged)

Compare with previous version

Marked the task Changelog entry added as completed

Marked the task All builds are passing as completed

Marked the task Squashed related commits together as completed

Marked the task Documentation created/updated as completed

Mentioned in issue #18546 (closed)