feat(frontend): Make Block description searchable on Block list palette (#8839)

Blocks should be easy to search, the name is sometimes not
straightforward, but the description does.

<img width="576" alt="image"
src="https://github.com/user-attachments/assets/0528b019-0ebc-4e6f-8a3c-40323a671b13">


### Changes 🏗️

Make the block description searchable.

### Checklist 📋

#### For code changes:
- [ ] I have clearly listed my changes in the PR description
- [ ] I have made a test plan
- [ ] I have tested my changes according to the test plan:
  <!-- Put your test plan here: -->
  - [ ] ...

<details>
  <summary>Example test plan</summary>
  
  - [ ] Create from scratch and execute an agent with at least 3 blocks
- [ ] Import an agent from file upload, and confirm it executes
correctly
  - [ ] Upload agent to marketplace
- [ ] Import an agent from marketplace and confirm it executes correctly
  - [ ] Edit an agent from monitor, and confirm it executes correctly
</details>

#### For configuration changes:
- [ ] `.env.example` is updated or already compatible with my changes
- [ ] `docker-compose.yml` is updated or already compatible with my
changes
- [ ] I have included a list of my configuration changes in the PR
description (under **Changes**)

<details>
  <summary>Examples of configuration changes</summary>

  - Changing ports
  - Adding new services that need to communicate with each other
  - Secrets or environment variable changes
  - New or infrastructure changes such as databases
</details>

autogpt_platform/frontend/src/components/edit/control/BlocksControl.tsx

@@ -85,6 +85,9 @@ export const BlocksControl: React.FC<BlocksControlProps> = ({
         (block: Block) =>
           (block.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
             beautifyString(block.name)
+              .toLowerCase()
+              .includes(searchQuery.toLowerCase()) ||
+            block.description
               .toLowerCase()
               .includes(searchQuery.toLowerCase())) &&
           (!selectedCategory ||