chore: fix contributor attribution for #174

Corrects Co-Authored-By email so GitHub links the contribution
to @JensLorenz's profile (floor icon fallback + battery refactor).

See: #174, #171

Co-Authored-By: Jens Lorenz <2900362+JensLorenz@users.noreply.github.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: 3 people