Ui fixes (#4987)

* PLT-5090 - Adding overflow for usrename on popover

* PLT-5089 - Updatng save button position

* PLT-5146 - Removing anchor on teamname/username

* Minor fixes for profile popover

* Adjusting constants call for sidebar header

webapp/sass/base/_typography.scss

@@ -26,6 +26,11 @@ body {
     word-break: break-all;
 }
 
+.overflow--ellipsis {
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
 .fa {
     &.fa-margin--left {
         margin-left: 2px;