Issue Type: Feature Request
The existing editor.mouseWheelScrollSensitivity setting doesn't affect the mouse wheel scrolling speed for the explorer, so a separate setting like explorer.mouseWheelScrollSensitivity would be nice.
VS Code version: Code 1.21.1 (79b44aa, 2018-03-14T14:46:47.128Z)
OS version: Windows_NT x64 10.0.16299