Search Design fixes
Closes#14800
- Use colors according to design
- Fix width of search input


See merge request !3475
Fix missing filters on status tab when user swithches to another state
closes#14769

See merge request !3482
Dropdown arrow support
When the dropdown is open, you can scroll through the list of items with the up & down arrow keys. When an item is focused, the enter triggers the click event for that row.
Closes#14455
See merge request !3385
Fix award emoji picker for relative_url
MR !2888 caused a regression where the emoji picker does not load when
using relative_url, because the path for the controller was hardcoded.
See merge request !3493
Fixes issue with dropdowns not selecting values
Fixes issue with dropdowns not selecting when navigating between tabs
Closes#14813
See merge request !3478
Location aware search
Closes#3400#14217
Introduces suggestion grouping on the search box and adds the ability to the user to remove the location to search on.
**Notes**
- Suggestions are now grouped by category.
- Suggestions are displayed when no location is set.
- Would be great to provide suggestions for the specified location which could be a project or group.
- A location is set from the server for projects/groups related urls.
**Default Apparence**

**When location badge is present**

**Suggestions**

**Suggestions when location badge is present**

Closes#3400
See merge request !3212