Merge branch 'small-emoji-adjustments' into 'master'

Various small emoji positioning adjustments

## What does this MR do?
It changes various emoticon related css rules with very small minor tweaks of 1 or 2 px

## Are there points in the code the reviewer needs to double check?
-

## Why was this MR needed?
aesthetics

## Screenshots (if relevant)
-


## Does this MR meet the acceptance criteria?

- [X] [Changelog entry](https://docs.gitlab.com/ce/development/changelog.html) added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [ ] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if it does - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?
none

See merge request !7993

app/assets/stylesheets/framework/awards.scss

 .awards {
   .emoji-icon {
-    width: 19px;
-    height: 19px;
+    width: 20px;
+    height: 20px;
   }
 }
 
@@ -136,5 +136,6 @@
 
   .award-control-icon {
     color: $award-emoji-new-btn-icon-color;
+    margin-top: 1px;
   }
 }

app/assets/stylesheets/framework/common.scss

@@ -255,6 +255,7 @@ img.emoji {
   height: 20px;
   vertical-align: top;
   width: 20px;
+  margin-top: 1px;
 }
 
 .chart {

app/assets/stylesheets/pages/notes.scss

@@ -413,7 +413,6 @@ ul.notes {
   .fa {
     color: $notes-action-color;
     position: relative;
-    top: 1px;
     font-size: 17px;
   }
 

changelogs/unreleased/small-emoji-adjustments.yml

+---
+title: Various small emoji positioning adjustments
+merge_request:
+author: