Squashed 'theme/essentialidrac/' changes from abb802d..58063b8

58063b8 Remplace theme_essential by theme_essentialidrac

git-subtree-dir: theme/essentialidrac
git-subtree-split: 58063b8d96ab7b7090d967b7aff82e9fb66ac8cf
Merge commit '195d50702cc5f254f9f3ef22f14a0f7363f6959a' into test-MOODLE_25_STABLE
Mise à jour du composant moodle-theme_essentialidrac master