Blender Git Loki

Move disabling mouse coalescing after application launches.

Reduce scope of wm_event_free_last.

Cleanup: clang-format.

Support inbetween mouse/tablet moves on macOS.

Coalescing on macOS overwrites a singular unprocessed mouse event. To
receive all mouse and tablet events coalescing is disabled.

Disabling coalescing for macOS disables coalescing for trackpad
gestures. Repeat trackpad events are unnecessary and found to
negatively impact performance thus are re-coalesced in Window Manager.