Minicard, remove red line below member avatar icon

- fixes comment at #3515
  https://github.com/wekan/wekan/issues/3515#issuecomment-777312174

client/components/cards/minicard.styl

@@ -166,7 +166,6 @@
   .minicard-assignees
     float: right
     margin-left: 5px
-    border-bottom: 1px solid red
     margin-bottom: 4px
 
     .member
@@ -185,6 +184,9 @@
     + .badges
       margin-top: 5px
 
+  .minicard-assignees
+    border-bottom: 1px solid red
+
   .minicard-members:empty,
   .minicard-assignees:empty
     display: none