Bug Fixes
- angular/accordion: prevent focus from entering the panel while it's animating (#2468) (a2aa907)
- angular/accordion: switch away from animations module (#2469) (5a0137c)
- angular/menu: decouple menu lifecycle from animations (#2467) (e87e2c7)
- angular/select: add opt-in input that allows selection of nullable options (#2466) (8658f9e)