Merge branch 'fix/thread-safe-lfe-cache-box' into 'master'
[box][localfiniteelementcache] Use thread-safe version of the local finite element cache
Closes #1153 (closed)
See merge request !3124 (merged)
(cherry picked from commit 9e485155)
cb1b3f97 [box][localfiniteelementcache] Use thread-safe version of the local finite element cache