feat(admin): expand/collapse all sidebar groups with scrollable nav

Co-authored-by: Cursor <[email protected]>

src/messages/en.json

@@ -1080,6 +1080,8 @@
 				"import": "Import",
 				"settings": "Settings",
 				"backToSite": "Back to site",
+				"expandAll": "Expand all",
+				"collapseAll": "Collapse all",
 				"housekeeping": "Housekeeping",
 				"hotelManagementPanel": "Hotel management panel",
 				"rankLabel": "Rank {rank}",

src/messages/it.json

@@ -1010,6 +1010,8 @@
 				"import": "Importa",
 				"settings": "Impostazioni",
 				"backToSite": "Torna al sito",
+				"expandAll": "Apri tutte",
+				"collapseAll": "Chiudi tutte",
 				"hotelManagementPanel": "Pannello di gestione hotel",
 				"rankLabel": "Grado {rank}",
 				"hubNewsMedia": "Notizie e media",

src/messages/nl.json

@@ -1054,6 +1054,8 @@
 				"import": "Importeren",
 				"settings": "Instellingen",
 				"backToSite": "Terug naar site",
+				"expandAll": "Alles openen",
+				"collapseAll": "Alles sluiten",
 				"housekeeping": "Housekeeping",
 				"hotelManagementPanel": "Hotelbeheerpaneel",
 				"rankLabel": "Rang {rank}",