docs(ui): update help assets and regenerate help pdf

src/static/style.css

@@ -620,15 +620,21 @@ body.preset-ui-run .edit-mode-only {
     height: 5rem;
 }
 
+/* Edit only beside the preset tile in edit mode. */
 .preset-tile-actions {
-    display: grid;
-    grid-template-columns: repeat(2, minmax(0, 1fr));
-    grid-auto-rows: 1fr;
+    display: flex;
+    flex-direction: column;
+    justify-content: stretch;
     gap: 0.2rem;
-    align-content: stretch;
     flex-shrink: 0;
     padding: 0.15rem 0 0.15rem 0.25rem;
-    width: 6.5rem;
+    width: auto;
+    min-width: 0;
+}
+
+.preset-editor-modal-actions {
+    flex-wrap: wrap;
+    gap: 0.35rem;
 }
 
 .preset-tile-actions .btn {