Axis Scale changes made in Project Settings > Input are ignored in PIE with Dedicated Server enabled

Axis Scale changes made in Project Settings > Input are ignored in PIE with Dedicated Server enabled. Does not occur while Dedicated Serve is disabled.

Reproduced in 4.7.6, 4.8.0, and Main (//depot/UE4/Promotable-CL-2588320)

1. Open a new First Person template project
2. Project Settings > Input > Axis Mappings > Move Forward: Change the S input Scale to -0.1
3. PIE with Dedicated Server enabled
4. Hold 'S' to move backwards

Result:
The Input Scale saved in Project Settings is ignored and movement continues at -1.0 instead of -0.1