FXOLAT-478: thumbnail image improvements for library
no-jira: remove the adluri namespace from the xpath selector, it's not used
no-jira: set version 10.0.7
Added tag OpenOLAT 10.0.7 for changeset 275912c10bd8
Merge OpenOLAT 10.0 to OpenOLAT default branch with 760e47752958c8159b2a067b763843da4768e5f9