CI: run build_exe twice (#1598)

* CI: run build_exe twice ...

... to find broken conditional imports

* CI: build again in venv

Author: black-sliver

.github/workflows/build.yml

@@ -94,6 +94,10 @@ jobs:
           echo "APPIMAGE_NAME=$APPIMAGE_NAME" >> $GITHUB_ENV
           echo "TAR_NAME=$TAR_NAME" >> $GITHUB_ENV
       # - copy code above to release.yml -
+      - name: Build Again
+        run: |
+          source venv/bin/activate
+          python setup.py build_exe --yes
       - name: Store AppImage
         uses: actions/upload-artifact@v3
         with: