Dashboard: Fix [Open IPFS folder] link (#3935)

## Problem solved

Short description of the bug fixed or feature added

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## PR-Codex overview
The focus of this PR is to refactor the logic for getting the folder path from an IPFS hash URL in the `dropzone.tsx` component.

### Detailed summary
- Refactored logic to extract folder path from IPFS hash URL
- Updated return statement to use the extracted folder path for the IPFS URL

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apps/dashboard/src/components/ipfs-upload/dropzone.tsx

@@ -192,8 +192,9 @@ const FileUpload: React.FC<FileUploadProps> = ({ files, updateFiles }) => {
       return replaceIpfsUrl(ipfsHashes[0]);
     }
     // get the folder
-    // return replaceIpfsUrl(ipfsHashes[0].split("/").slice(0, -1).join("/"));
-    return `https://ipfs.io/ipfs/${ipfsHashes[0].split("ipfs://")[1]}`;
+    const uri = ipfsHashes[0].split("ipfs://")[1];
+    const folderPath = uri.split("/")[0]; // "Qma.../image.png" -> "Qma..."
+    return `https://ipfs.io/ipfs/${folderPath}`;
   }, [ipfsHashes]);
 
   const filesToShow = useMemo(() => {