feat(FN-4567): complete Step 1 — enforce hidden toolbar actions

Fusion-Task-Id: FN-4567
Fusion-Task-Lineage: 717443b5-35e6-49b6-960a-4072f76994bb

packages/dashboard/app/components/FileBrowser.css

@@ -393,10 +393,14 @@
   }
 
   .file-editor-toolbar-actions {
-    width: 100%;
+    margin-inline-start: auto;
     justify-content: flex-end;
   }
 
+  .file-editor-toolbar-actions[hidden] {
+    display: none;
+  }
+
   .file-editor-toolbar-button {
     min-height: calc(var(--space-lg) + var(--space-sm));
     min-width: calc(var(--space-lg) + var(--space-sm));
@@ -709,6 +713,10 @@
   flex-wrap: wrap;
 }
 
+.file-editor-toolbar-actions[hidden] {
+  display: none;
+}
+
 .file-editor-toolbar-button {
   display: inline-flex;
   align-items: center;