Squashed 'theme/essentialidrac/' changes from 1e47ab3..abb802d

abb802d Clone theme Essential for Idrac

git-subtree-dir: theme/essentialidrac
git-subtree-split: abb802d38192f58ed1ba299e6fbb566ac2bd584f
Merge commit '878ffd7a0e16e0565389754bc3d2aff598b496f8' into test-MOODLE_25_STABLE
Mise à jour du composant moodle-theme_essentialidrac master