Merge branch '440-uploading-zip-file-fails-openlayers' into 'master'

Resolve "Uploading zip file fails (OpenLayers)"

Closes #440

See merge request !331
1 job for 438-display-of-overlay-celldesigner-layer in 1 minute and 50 seconds
Status Name Job ID Coverage
  Test
passed test_frontend #28984

00:01:50