Actions sidebar panel may cause errors on shares page

[JammingBen]

Initial Checklist

• I understand this is a bug report and questions should be posted in the Community Discussions
• I searched issues and couldn’t find anything (or linked relevant results below)

Bug Description

The actions panel in the right sidebar may cause errors on the shares page.

Reproduction Steps

• make sure you have received a folder share
• in your personal space, open the right sidebar for any file and open the actions panel
• without closing the sidebar, navigate to the shares page
• click (not open) the received folder share

Expected Outcome

Browser console doesn't show any errors.

Actual Outcome

The browser console shows an error: Cannot read properties of null (reading 'extension').