Multiple UI improvements (#4835)

* Updating sizes for teams sidebar

* PLT-4641 - Rearranging notification option

* PLT-4504 - Updating styles for Oauth apps

* PLT-4852 - Updating font size for lists

* Fix for the unread indicator with teams sidebar

webapp/sass/layout/_forms.scss

@@ -23,7 +23,7 @@
     .input__help {
         @include opacity(.8);
         color: inherit;
-        margin: 10px 0 0 10px;
+        margin: 10px 0 0 0;
         word-break: break-word;
 
         &.dark {