Returns true when the gizmo dispatcher for canvas has an ACTIVE drag in
progress (a collider was pressed and is being dragged). Unlike
isGizmoInteracting this ignores mere hover, so camera controls can
abort an optimistically-started orbit once a gizmo drag (recognised a frame
after pointer-down, since picking is async) reclaims the gesture — without
aborting a legitimate orbit when the cursor merely passes over a gizmo.
Returns true when the gizmo dispatcher for
canvashas an ACTIVE drag in progress (a collider was pressed and is being dragged). Unlike isGizmoInteracting this ignores mere hover, so camera controls can abort an optimistically-started orbit once a gizmo drag (recognised a frame after pointer-down, since picking is async) reclaims the gesture — without aborting a legitimate orbit when the cursor merely passes over a gizmo.