Fix uninitialized `BaseMaterial3D::features` variable.

scene/resources/material.h

@@ -519,7 +519,7 @@ private:
 
 	AlphaAntiAliasing alpha_antialiasing_mode = ALPHA_ANTIALIASING_OFF;
 
-	bool features[FEATURE_MAX];
+	bool features[FEATURE_MAX] = {};
 
 	Ref<Texture2D> textures[TEXTURE_MAX];