Export/Import Improvements

[jjoderis]

Summary

Fixed: When the process import modal is opened multiple times the bpmn preview only works the first time and fails to show the bpmn on following opens

Added support for exporting/importing empty processes

Details

• waiting with the loading of the bpmn preview until the import modal is completely open
  • this fixes a problem that occurred when the viewer tried to fit the imported bpmn into its viewport while the viewport has a width of 0 which leads to calculation errors
• Added support for export of empty folders
  • the export logic will now add a dummy process to the export data that will function similar to a .gitkeep file by forcing the exporter to include data about the empty folder
  • the import logic will now check if an imported process is a dummy process
    • the import modal will show different information for dummy processes to reflect that the "process" is acutally just an empty folder
    • the backend functions will add the folder that includes the dummy process but will skip adding the dummy process itself

[github-actions]

✅ Successfully created Preview Deployment.

https://pr-721---ms-server-staging-c4f6qdpj7q-ew.a.run.app

[canptura]

look good 👍