Include/xrRender/FactoryPtr.h: make operator bool explicit

Author: Xottab-DUTY

src/Include/xrRender/FactoryPtr.h

@@ -64,7 +64,11 @@ class FactoryPtr
 
     T& operator*() const { return *m_pObject; }
     T* operator->() const { return m_pObject; }
-    operator bool() const { return m_pObject; }
+
+    [[nodiscard]]
+    explicit operator bool() const { return m_pObject; }
+
+    [[nodiscard]]
     bool operator!() const { return m_pObject == nullptr; }
 
 private: