fix(glyph): clear stale source shift scale#3493

PaulHax wants to merge 1 commit intoKitware:masterKitware/vtk-js:masterfrom

PaulHax:glyph3dmapper-stale-shift-scale-testPaulHax/vtk-js:glyph3dmapper-stale-shift-scale-testCopy head branch name to clipboard