PLT-3455 More channels filter (#4022)

webapp/sass/components/_modal.scss

@@ -227,7 +227,14 @@
 
         &.more-channel__modal {
             .modal-body {
-                padding: 0;
+                overflow-x: hidden;
+                padding: 10px 0 20px;
+            }
+
+            .channel-count {
+                @include opacity(.8);
+                float: right;
+                margin-top: 5px;
             }
         }
 

webapp/sass/responsive/_mobile.scss

@@ -307,7 +307,8 @@
         max-width: calc(100% - 10px);
     }
 
-    .modal-direct-channels {
+    .modal-direct-channels,
+    .more-channel__modal {
         .member-count {
             display: block;
             float: none;