Basic footer structure and Cookie Consent (#4320)

* Added footer with blank links to be filled 
* Cookie consent to match V1 
* Made scrolling work on tool search results
* Made scrolling the same on tool search, tool picker and workbench 
* Cleaned up height variables, view height only used at workbench level 
<img width="1525" height="1270"
alt="{F3C1B15F-A4BE-4DF0-A5A8-92D2A3B14443}"
src="https://github.com/user-attachments/assets/0c23fe35-9973-45c0-85af-0002c5ff58d2"
/>
<img width="1511" height="1262"
alt="{4DDD51C0-4BC5-4E9F-A4F2-E5F49AF5F5FD}"
src="https://github.com/user-attachments/assets/2596d980-0312-4cd7-ad34-9fd3a8d1869e"
/>

---------

Co-authored-by: Connor Yoh <[email protected]>
Co-authored-by: James Brunton <[email protected]>

frontend/src/App.tsx

@@ -10,6 +10,7 @@ import HomePage from "./pages/HomePage";
 
 // Import global styles
 import "./styles/tailwind.css";
+import "./styles/cookieconsent.css";
 import "./index.css";
 import { RightRailProvider } from "./contexts/RightRailContext";
 
@@ -40,7 +41,7 @@ export default function App() {
                 <ToolWorkflowProvider>
                   <SidebarProvider>
                     <RightRailProvider>
-                    <HomePage />
+                      <HomePage />
                     </RightRailProvider>
                   </SidebarProvider>
                 </ToolWorkflowProvider>