Fix cancel button links in edit forms to redirect to /home

- Update BillEditForm cancel button to redirect to /home
- Update LocationEditForm cancel button to redirect to /home
- Update UserSettingsForm cancel button to redirect to /home

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/ui/LocationEditForm.tsx

@@ -367,7 +367,7 @@ export const LocationEditForm: FC<LocationEditFormProps> = ({ location, yearMont
                     </div>
                     <div className="pt-4">
                         <button className="btn btn-primary w-[5.5em]">{t("save-button")}</button>
-                        <Link className="btn btn-neutral w-[5.5em] ml-3" href={`/?year=${year}&month=${month}`}>{t("cancel-button")}</Link>
+                        <Link className="btn btn-neutral w-[5.5em] ml-3" href={`/home?year=${year}&month=${month}`}>{t("cancel-button")}</Link>
                     </div>
                 </form>
             </div>