Find the A_Crouch_Idle_Hands animation in the AnimationSequances folder and duplicate it, call the duplicate A_Croch_Idle_Hands_IK then open it and copy the video below, there is a video for 4.24 and 4.25+.

Unreal Engine 4.24
Unreal Engine 4.25+

Next go to the BP_Flashlight then go to the class defaults and search for Third Person Animations then copy the videos below.