Returns true while the gizmo dispatcher for canvas has a pointer-down GPU
pick still in flight. Camera controls consult this to DEFER (not yet apply)
an orbit until the pick resolves, so a press that lands on a gizmo never
produces a stray orbit even if the async pick is slow.
Returns true while the gizmo dispatcher for
canvashas a pointer-down GPU pick still in flight. Camera controls consult this to DEFER (not yet apply) an orbit until the pick resolves, so a press that lands on a gizmo never produces a stray orbit even if the async pick is slow.