🐛(front) enhance mimeTypes utility

We cannot put periods in filenames, even if it's an unknown extension.

.github/workflows/drive-frontend.yml

@@ -35,6 +35,30 @@ jobs:
       - name: Check linting
         run: cd src/frontend/ && yarn lint
 
+  test-unit:
+    runs-on: ubuntu-latest
+    needs: install-front
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "22.x"
+
+      - name: Restore the frontend cache
+        uses: actions/cache@v4
+        with:
+          path: "src/frontend/**/node_modules"
+          key: front-node_modules-${{ hashFiles('src/frontend/**/yarn.lock') }}
+          fail-on-cache-miss: true
+
+      - name: Run unit tests
+        run: |
+          cd src/frontend/apps/drive
+          yarn test
+
   test-e2e:
     runs-on: ubuntu-latest
     needs: install-front