fixed def system theme val

app/src/main/java/ru/vtosters/lite/ui/fragments/VTSettings.java

@@ -115,13 +115,12 @@ public class VTSettings extends MaterialPreferenceToolbarFragment {
     }
 
     public static String getThemesumm() {
-        var type = getPrefsValue("currsystemtheme");
-
         if (disableSettingsSumms()) return null;
 
-        String str = null;
+        String str;
 
-        switch (type) {
+        switch (getPrefsValue("currsystemtheme")) {
+            default:
             case "system":
                 str = "Системная";
                 break;
@@ -133,8 +132,6 @@ public class VTSettings extends MaterialPreferenceToolbarFragment {
                 break;
         }
 
-        if (str == null) return null;
-
         return "Текущая тема" + ": " + str;
     }
 

app/src/main/java/ru/vtosters/lite/utils/Preferences.java

@@ -62,7 +62,7 @@ public class Preferences {
     }
 
     public static boolean systemtheme() {
-        return Build.VERSION.SDK_INT >= 28 && getPreferences().getString("currsystemtheme", "system").equals("system");
+        return Build.VERSION.SDK_INT >= 28 && (getPreferences().getString("currsystemtheme", "system").equals("system") || getPreferences().getString("currsystemtheme", "system").isEmpty());
     }
 
     public static boolean authorsrecomm() {