Home app: Edit mode - Delete confirmation

[stellarmagnet]

Spec: https://docs.google.com/document/d/14T8IBAbFx_awqqkwT076SddV3tKnVeTeU2miggK9LOY/edit#heading=h.6xl6bk1kcdhw

Note: this should have the same frontend as the profile app's delete modal, reuse that as far as FE goes.