Add motion parameter to toggle whether recovery is reported as a collision

This makes the intent explicit in each use case.

servers/physics_2d/godot_space_2d.cpp

@@ -874,7 +874,7 @@ bool GodotSpace2D::test_body_motion(GodotBody2D *p_body, const PhysicsServer2D::
 
 	bool collided = false;
 
-	if (recovered || (safe < 1)) {
+	if ((p_parameters.recovery_as_collision && recovered) || (safe < 1)) {
 		if (safe >= 1) {
 			best_shape = -1; //no best shape with cast, reset to -1
 		}