Fixed Display issues with assignee on minicard.

Thanks to bronger and xet7 !

Fixes #3434

client/components/cards/minicard.jade

@@ -85,6 +85,7 @@ template(name="minicard")
       .minicard-assignees.js-minicard-assignees
         each getAssignees
           +userAvatar(userId=this)
+        hr(class="assigneehr" title="{{_ 'assignee'}}")
 
     if getMembers
       .minicard-members.js-minicard-members

client/components/cards/minicard.styl

@@ -165,7 +165,11 @@
   .minicard-members,
   .minicard-assignees
     float: right
-    margin: 2px -8px 2px 0
+    margin-left: 5px
+
+    .assigneehr
+      border-top: 1px solid red
+      margin-bottom: 4px
 
     .member
       float: right
@@ -180,7 +184,7 @@
       width: @height
 
     + .badges
-      margin-top: 10px
+      margin-top: 5px
 
   .minicard-members:empty,
   .minicard-assignees:empty