fix string setting filter not applying

Author: dankmeme01

loader/src/loader/SettingNodeV3.cpp

@@ -351,6 +351,10 @@ bool StringSettingNodeV3::init(std::shared_ptr<StringSettingV3> setting, float w
     });
     m_input->setScale(.7f);
     m_input->setString(this->getSetting()->getValue());
+    if (auto filter = this->getSetting()->getAllowedCharacters()) {
+        m_input->setFilter(*filter);
+    }
+    
     this->getButtonMenu()->addChildAtPosition(m_input, Anchor::Center);
 
     if (setting->getEnumOptions()) {