fix: another e2e test

e2e/playwright/projects.spec.ts

@@ -1854,7 +1854,8 @@ test(
     })
 
     await test.step('check the last file is out of view initially, and can be scrolled to', async () => {
-      const element = page.getByText('tangential_arc.kcl')
+      const u = await getUtils(page)
+      const element = u.locatorFile('tangential_arc.kcl')
       const container = page.getByTestId('file-pane-scroll-container')
 
       await expect(await isOutOfViewInScrollContainer(element, container)).toBe(

src/components/Explorer/ProjectExplorer.tsx

@@ -656,7 +656,7 @@ export const ProjectExplorer = ({
       ref={projectExplorerRef}
     >
       <div
-        className={`absolute w-full h-full ${activeIndex === -1 ? 'border-sky-500' : ''}`}
+        className={`overflow-auto absolute pb-12 inset-0 ${activeIndex === -1 ? 'border-sky-500' : ''}`}
         data-testid="file-pane-scroll-container"
         tabIndex={0}
         role="tree"