fix(web): improve logs panel scroll handling (#2305)

- forward refs through ScrollArea so logs can access the viewport
- keep logs pinned to the bottom only when the user is already near it
- apply import and className ordering cleanup across frontend components

web/frontend/src/routes/__root.tsx

@@ -1,8 +1,4 @@
-import {
-  Outlet,
-  createRootRoute,
-  useRouterState,
-} from "@tanstack/react-router"
+import { Outlet, createRootRoute, useRouterState } from "@tanstack/react-router"
 import { TanStackRouterDevtools } from "@tanstack/react-router-devtools"
 import { useEffect } from "react"