test: fix component tests by adding localStorage mock and resolving store interference

src/shared/ui/ComboControl/ComboControl.svelte.test.ts

@@ -114,7 +114,7 @@ describe('ComboControl', () => {
         it('opens popover with vertical slider on trigger click', async () => {
             render(ComboControl, { control: makeControl(50), controlLabel: 'Size control' });
             expect(screen.queryByRole('slider')).not.toBeInTheDocument();
-            await fireEvent.click(screen.getByLabelText('Size control'));
+            await fireEvent.click(screen.getByText('Size control'));
             await waitFor(() => expect(screen.getByRole('slider')).toBeInTheDocument());
         });
     });