fix elf names

Author: yogh333

.github/workflows/build_with_current_nightly.yml

@@ -52,21 +52,22 @@ jobs:
           cargo update ledger_device_sdk
           # if ${{matrix.device}} is 'nanosp', transform to 'nanosplus' for cargo ledger build command
           if [ "${{ matrix.device }}" = "nanosp" ]; then
-            export DEVICE="nanosplus"
+            DEVICE="nanosplus"
           else
-            export DEVICE="${{ matrix.device }}"
+            DEVICE="${{ matrix.device }}"
           fi
           echo "Building for device: $DEVICE"
           cargo ledger build $DEVICE
           ELF_NAME=$(cargo metadata --manifest-path ./Cargo.toml --no-deps --format-version 1 | jq -r '.packages[] | select(.metadata.ledger != null) | .name')
           echo "ELF_NAME=$ELF_NAME" >> $GITHUB_ENV
           echo "Built ELF name is $ELF_NAME"
+          cp target/$DEVICE/release/$ELF_NAME .
       
       - name: Upload binary artifacts
         uses: actions/upload-artifact@v4
         with:
           name: "app_binaries_${{ matrix.device }}"
-          path: ${{ matrix.device }}/release/${{ env.ELF_NAME }}
+          path: ${{ env.ELF_NAME }}
           if-no-files-found: error
 
   #ragger_tests: