Hide Editor's system message if the game's language has been changed (#10973)

src/fheroes2/editor/editor_interface.h

@@ -119,6 +119,11 @@ namespace Interface
 
         static fheroes2::Rect getObjectOccupiedArea( const Maps::ObjectGroup group, const int32_t objectType );
 
+        void clearWarningMessage()
+        {
+            _warningMessage.reset( {} );
+        }
+
     private:
         class WarningMessage final
         {

src/fheroes2/editor/editor_options.cpp

@@ -271,7 +271,14 @@ namespace Editor
                 const std::vector<fheroes2::SupportedLanguage> supportedLanguages = fheroes2::getSupportedLanguages();
 
                 if ( supportedLanguages.size() > 1 ) {
-                    selectLanguage( supportedLanguages, fheroes2::getLanguageFromAbbreviation( conf.getGameLanguage() ), true );
+                    const fheroes2::SupportedLanguage languageBefore = fheroes2::getLanguageFromAbbreviation( conf.getGameLanguage() );
+                    const fheroes2::SupportedLanguage languageAfter = selectLanguage( supportedLanguages, languageBefore, true );
+
+                    if ( languageAfter != languageBefore ) {
+                        Interface::EditorInterface::Get().clearWarningMessage();
+                        redrawEditor();
+                        saveConfiguration = true;
+                    }
                 }
                 else {
                     assert( supportedLanguages.front() == fheroes2::SupportedLanguage::English );
@@ -282,8 +289,6 @@ namespace Editor
                                                        Dialog::OK );
                 }
 
-                redrawEditor();
-                saveConfiguration = true;
                 action = DialogAction::Configuration;
                 break;
             }