Add Keyboard shortcuts dictionary for close email detail view in Setting

lib/features/manage_account/presentation/model/keyboard_shortcuts/keyboard_shortcuts_manager.dart

@@ -15,6 +15,12 @@ class KeyboardShortcutsManager {
         context: ShortcutContext.mailComposer,
         keys: ['ESC'],
       ),
+      KeyboardShortcut(
+        label: appLocalizations.closeMailDetailView,
+        category: ShortcutCategory.navigationAndClosing,
+        context: ShortcutContext.openedMailView,
+        keys: ['ESC'],
+      ),
       KeyboardShortcut(
         label: appLocalizations.removeFocusFromSearch,
         category: ShortcutCategory.navigationAndClosing,

lib/l10n/intl_messages.arb

@@ -5465,5 +5465,11 @@
     "type": "text",
     "placeholders_order": [],
     "placeholders": {}
+  },
+  "closeMailDetailView": "Close mail detail view",
+  "@closeMailDetailView": {
+    "type": "text",
+    "placeholders_order": [],
+    "placeholders": {}
   }
 }

lib/main/localizations/app_localizations.dart

@@ -5783,4 +5783,11 @@ class AppLocalizations {
       name: 'events',
     );
   }
+
+  String get closeMailDetailView {
+    return Intl.message(
+      'Close mail detail view',
+      name: 'closeMailDetailView',
+    );
+  }
 }