Improve the `Input.set_use_accumulated_input()` documentation
Improve the `Input.set_use_accumulated_input()` documentation

(cherry picked from commit 30961c60ab84e3234d9eb1d92b70ec2634bb6b6c)

ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot