Simplify actions arguments and remove unnecessary trailing commas

- Convert single-element actions lists to direct action objects
- Remove unnecessary trailing commas from last items in structures
- Example: actions=[x] -> actions=x, and ),\n] -> )\n]

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app.py

@@ -161,9 +161,7 @@ regions_page = vm.Page(
                             id="region_map_chart",
                             header="💡 Click on a state to filter charts on the right.",
                             figure=create_map_bubble_new(superstore_df, value_col="Sales", custom_data=["State_Code"]),
-                            actions=[
-                                va.set_control(control="state_filter", value="State_Code"),
-                            ],
+                            actions=va.set_control(control="state_filter", value="State_Code"),
                         ),
                     ],
                 ),
@@ -184,8 +182,8 @@ regions_page = vm.Page(
                     components=[
                         vm.Graph(
                             id="pg2-chart-1",
-                            figure=bar_chart_top_n(superstore_df, x="Sales", y="City"),
-                        ),
+                            figure=bar_chart_top_n(superstore_df, x="Sales", y="City")
+                        )
                     ],
                     variant="filled",
                 ),
@@ -264,9 +262,7 @@ products_page = vm.Page(
                         vm.Graph(
                             id="pg4-chart-1",
                             figure=bar_chart_by_category(superstore_df, custom_data=["Category"]),
-                            actions=[
-                                va.set_control(control="pg4-filter-1", value="Category"),
-                            ],
+                            actions=va.set_control(control="pg4-filter-1", value="Category"),
                         ),
                     ],
                     variant="filled",
@@ -336,7 +332,7 @@ orders_page = vm.Page(
         vm.Button(
             text="Export data",
             icon="download",
-            actions=[va.export_data(targets=["table_id"], file_format="xlsx")],
+            actions=va.export_data(targets=["table_id"], file_format="xlsx"),
         ),
     ],
 )