MDL-36670 logging: action parameter length restricted to 40 chars
MDL-41383 theme: filepicker zoom resiliency (base)

Fixed an issue that broke the file picker on base when initial zoom level is less than 100%.
Merge branch 'MDL-41383-master-basefix' of https://github.com/jethac/moodle
Merge branch 'MDL-36670' of git://github.com/jleyva/moodle