Add localization for 'none_group' option in English and German

lib/l10n/arb/app_de.arb

@@ -55,7 +55,8 @@
   "game": "Spiel",
   "ruleset": "Regelwerk",
   "group": "Gruppe",
-  "none": "Keine",
+  "none": "Kein",
+  "none_group": "Keine",
   "create_match": "Match erstellen",
   "no_players_created_yet": "Noch keine Spieler erstellt",
   "all_players_selected": "Alle Spieler ausgewählt",

lib/l10n/arb/app_en.arb

@@ -256,6 +256,10 @@
   "@none": {
     "description": "None option label"
   },
+  "none_group": "None",
+  "@none_group": {
+    "description": "None group option label"
+  },
   "create_match": "Create match",
   "@create_match": {
     "description": "Button text to create a match"

lib/l10n/generated/app_localizations.dart

@@ -446,6 +446,12 @@ abstract class AppLocalizations {
   /// **'None'**
   String get none;
 
+  /// None group option label
+  ///
+  /// In en, this message translates to:
+  /// **'None'**
+  String get none_group;
+
   /// Button text to create a match
   ///
   /// In en, this message translates to:

lib/l10n/generated/app_localizations_de.dart

@@ -195,7 +195,10 @@ class AppLocalizationsDe extends AppLocalizations {
   String get group => 'Gruppe';
 
   @override
-  String get none => 'Keine';
+  String get none => 'Kein';
+
+  @override
+  String get none_group => 'Keine';
 
   @override
   String get create_match => 'Match erstellen';

lib/l10n/generated/app_localizations_en.dart

@@ -196,6 +196,9 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get none => 'None';
 
+  @override
+  String get none_group => 'None';
+
   @override
   String get create_match => 'Create match';
 

lib/presentation/views/main_menu/match_view/create_match/create_match_view.dart

@@ -187,7 +187,7 @@ class _CreateMatchViewState extends State<CreateMatchView> {
             ChooseTile(
               title: AppLocalizations.of(context)!.group,
               trailingText: selectedGroup == null
-                  ? AppLocalizations.of(context)!.none
+                  ? AppLocalizations.of(context)!.none_group
                   : selectedGroup!.name,
               onPressed: () async {
                 selectedGroup = await Navigator.of(context).push(