Error in DataHub when in incognito browser

[floradanna]

Describe the bug
An error appear when opening DataHub Experiment view in Incognito browser

To Reproduce
Steps to reproduce the behavior:

1. Go to incognito or private browser (edge)
2. Paste https://datahub-test.elixir-belgium.org/single_pages/86#investigation-80
3. See error

Expected behavior
No error

Screenshots

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. edge]

[kdp-cloud]

The error originates from the dynamic_table_data method in the SinglePagesController returning nothing because the user needs to be authenticated. This causes unwanted behavior when the project has public things in it.
An exception needs to be made the dynamic_table_data method.