Adding null/empty checks to some controls to prevent invalid behaviour

TelegramBotBase/Localizations/English.cs

@@ -34,5 +34,6 @@ public sealed class English : Localization
         Values["ToggleButton_Changed"] = "Setting changed";
         Values["ButtonGrid_SearchIcon"] = "🔍";
         Values["TaggedButtonGrid_TagIcon"] = "📁";
+        Values["Label_Text"] = "Default label text";
     }
 }

TelegramBotBase/Localizations/German.cs

@@ -34,5 +34,6 @@ public sealed class German : Localization
         Values["ToggleButton_Changed"] = "Einstellung geändert";
         Values["ButtonGrid_SearchIcon"] = "🔍";
         Values["TaggedButtonGrid_TagIcon"] = "📁";
+        Values["Label_Text"] = "Standard Label Text";
     }
 }

TelegramBotBase/Localizations/Persian.cs

@@ -34,6 +34,7 @@ public sealed class Persian : Localization
         Values["ToggleButton_Changed"] = "تنظیمات تغییر کرد";
         Values["ButtonGrid_SearchIcon"] = "🔍";
         Values["TaggedButtonGrid_TagIcon"] = "📁";
+        Values["Label_Text"] = "متن برچسب پیش‌فرض";
     }
 }
 

TelegramBotBase/Localizations/Russian.cs

@@ -34,5 +34,6 @@ public sealed class Russian : Localization
         Values["ToggleButton_Changed"] = "Настройки изменены";
         Values["ButtonGrid_SearchIcon"] = "🔍";
         Values["TaggedButtonGrid_TagIcon"] = "📁";
+        Values["Label_Text"] = "Текст метки по умолчанию";
     }
 }