Fix remote image urls not showing up in image grids (#430)

- Update the Image Grid helper to download images that are urls instead of trying (and failing) to load them locally

#425

Reviewed-on: #430
Reviewed-by: VylpesTester <tester@vylpes.com>
Co-authored-by: Ethan Lane <ethan@vylpes.com>
Co-committed-by: Ethan Lane <ethan@vylpes.com>

.forgejo/workflows/test.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Use Node.js
       uses: actions/setup-node@v4
       with:
-        node-version: 18.x
+        node-version: 20.x
     - run: yarn install --frozen-lockfile
     - run: yarn build
     - run: yarn test