[QA] checkbox labels overflow sidebar width in firefox

[jnweiger]

Seen in richdcuments 2.7.0 running on owncloud 10.9.1

• occ app:enable richdocuments
• occ config:app:set richdocuments secure_view_option --value true
• occ config:app:set richdocuments secure_view_can_print_default --value true
• open the sidebar of e.g. Photos folder, share with e.g. group admin, click on the wheel to check the permissions
• make the browser window narrow, so that the first row of permission buttons starts to wrap into two rows:
• 

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• The text of can print / export overflows the sidebar background and gets truncated at the edge of the window.

Expected behaviour:

• wrap around. Chrome and Edge do this when there is not enough space to fit all in one line:
  

[SakshiT25]

Hi, I'm interested in working on this issue if no one is assigned to it.