enhancement: Add text truncation and right padding to Portal TreeList items (#8508)

Author: tobiu

resources/scss/src/apps/portal/shared/content/TreeList.scss

@@ -69,17 +69,25 @@
         display         : flex;
         align-items     : center;
         margin-bottom   : 3px;
+
+        .neo-list-item-content {
+            flex          : 1;
+            min-width     : 0;
+            overflow      : hidden;
+            text-overflow : ellipsis;
+            white-space   : nowrap;
+        }
     }
 
     .neo-list-container ul {
         padding: 0 !important;
 
         .neo-list-item {
-            padding: 0 0 3px 32px !important;
+            padding: 0 3px 3px 32px !important;
         }
 
         ul .neo-list-item {
-            padding: 0 0 0 48px !important;
+            padding: 0 3px 0 48px !important;
         }
     }