Fixes bulk-assign label for multiple issues not having the same labels
## What does this MR do?
Fixes a bug when bulk-assigning a label to multiple issues while the label is present in on the issues on the selection.
## Screenshots (if relevant)
**Before Bugfix**
<img src="/uploads/ad1f290bcf3930177a3a71c69cbe5325/before-bugfix.gif" width="700"/>
**After Bugfix**
<img src="/uploads/1f04d6bf027806fb13ca3773febda744/bugfix.gif" width="700"/>
## Does this MR meet the acceptance criteria?
- [x] Tests
- [x] Added for this feature/bug
- [x] All builds are passing
- [x] Branch has no merge conflicts with `master` (if you do - rebase it please)
See merge request !4602
Correctly shows label errors in dropdown
## What does this MR do?
Correctly shows any errors in the dropdown when creating a new label
## What are the relevant issue numbers?
Closes#18344
## Screenshots (if relevant)
See merge request !4553
Revert change to search all users
## What does this MR do?
Reverts a change that allowed the user to search for all users in the author/assignee dropdown
## Are there points in the code the reviewer needs to double check?
Double check it isn't still searching all users
See merge request !4564
Fixed issue where label filtering didnt work
## What does this MR do?
The filterable option was missing which meant labels in the dropdown couldn't be filtered. This fixes that.
## What are the relevant issue numbers?
Closes#18375
See merge request !4556
Add milestone expire date to the right sidebar
## What does this MR do?
Shows milestone expire date tooltip in the sidebar. It also shows the tooltip when sidebar is collapsed.
## Are there points in the code the reviewer needs to double check?
`common_utils.js.coffee` and `milestones_helper.rb` should be reviewed deeply.
## What are the relevant issue numbers?
https://gitlab.com/gitlab-org/gitlab-ce/issues/17355
## Screencast
See merge request !4448
Only load Chart.js when necessary.
Only load Chart.js where it's used, namely the Graphs section. Follow up on !4394.
cc: @jschatz1
See merge request !4516
Fix local timeago on user dashboard
## What does this MR do?
Fixes incorrect date times on tooltips on the dashboard page
## Are there points in the code the reviewer needs to double check?
Yes, The tooltip has to be recreated again because we needed a custom CSS classname in order to fix the date being splitted into two lines.
## Why was this MR needed?
Because the datetimes were incorrect we have to have the same format for .timeago() instances.
## What are the relevant issue numbers?
#17607
## Screenshots (if relevant)
**Before**
<img src="/uploads/f40cd58e8086d9675262e98a1fe57885/Screen_Shot_2016-05-24_at_7.23.25_PM.png" width="705">
**After**
<img src="/uploads/bd48046ef11659cc742f827b3404fbcd/Screen_Shot_2016-05-24_at_7.22.29_PM.png" width="704">
See merge request !4285
Blur button tags when pressed to remove the focus state.
## Before
## After
See merge request !4418
Show loading indicator for autocomplete
Closes#15435
See merge request !4182
#17284 Edit form does not cancel correctly
## What does this MR do?
Replaces the markdown textarea with the currently saved note text when the note edit is cancelled.
## Are there points in the code the reviewer needs to double check?
No
## Why was this MR needed?
Allows the user to revert back to the original note text, as expected, using cancel.
## What are the relevant issue numbers?
Fixes#17284.
## Screenshots
See merge request !4175
Updated CHANGELOG
Corrected the changes to store the markdown in a hidden input when edit starts and retrieve the original from that input when edit is cancelled
Replaced hidden input with form attribute
Remove prev/next buttons on issues and merge requests
## What does this MR do?
Remove prev/next buttons on issues and merge requests sidebar
## Are there points in the code the reviewer needs to double check?
No
## Why was this MR needed?
The buttons were rarely used and added at least 1 query each on every page load which we could live without.
## What are the relevant issue numbers?
#18026
## Screenshots (if relevant)
Below is how it looks. Not sure if it's too much empty space. #17697 discusses a possible substitute for what to put there.
See merge request !4442
Fatih Acet
Jacob Schatz
Alfredo Sumaran
Annabel Dunstone
Rui AndersonandRémy Coutable
Phil Hughes
Connor Shea
Luke BennettandLuke "Jared" Bennett