Fixed a highlight rule change bug

app/src/main/java/de/kuschku/quasseldroid/ui/coresettings/highlightrule/HighlightRuleFragment.kt

@@ -62,7 +62,7 @@ class HighlightRuleFragment : SettingsFragment(), SettingsFragment.Savable,
   }
 
   private fun applyChanges() = HighlightRuleManager.HighlightRule(
-    isInverse = isInverse ?: rule?.isInverse ?: false,
+    isInverse = rule?.isInverse ?: isInverse ?: false,
     isEnabled = enabled.isChecked,
     name = name.text.toString(),
     isRegEx = isRegex.isChecked,