anchor.diff:                                CustomListTile(
                                   leading: FaIcon(
                                     FontAwesomeIcons.circleDollarToSlot,
  -                                  color: _purchaserInfo!.activeSubscriptions
  -                                          .contains('subscription_tier_1')
  +                                  color: _purchaserInfo!.activeSubscriptions.contains('subscription_tier_1')
                                         ? Colors.green
                                         : Theme.of(context).iconTheme.color,
                                   ),
                                   title: LocaleKeys.donate_tip_jar_title.tr(),
                                   subtitle: '0.99 USD/${LocaleKeys.month.tr()}',
                                   onTap: () => _buyProduct(
  -                                  _offerings!
  -                                      .getOffering('default')!
  -                                      .getPackage('subscription_tier_1')!,
  +                                  _offerings!.getOffering('default')!.getPackage('subscription_tier_1')!,
                                   ),
                                 ),
                                 CustomListTile(
                                   leading: FaIcon(
                                     FontAwesomeIcons.circleDollarToSlot,
  -                                  color: _purchaserInfo!.activeSubscriptions
  -                                          .contains('subscription_tier_2')
  +                                  color: _purchaserInfo!.activeSubscriptions.contains('subscription_tier_2')
                                         ? Colors.green
                                         : Theme.of(context).iconTheme.color,
                                   ),
                                   title: LocaleKeys.donate_big_tip_title.tr(),
                                   subtitle: '1.99 USD/${LocaleKeys.month.tr()}',
                                   onTap: () => _buyProduct(
  -                                  _offerings!
  -                                      .getOffering('default')!
  -                                      .getPackage('subscription_tier_2')!,
  +                                  _offerings!.getOffering('default')!.getPackage('subscription_tier_2')!,
                                   ),
                                 ),
                                 CustomListTile(
                                   leading: FaIcon(
                                     FontAwesomeIcons.circleDollarToSlot,
  -                                  color: _purchaserInfo!.activeSubscriptions
  -                                          .contains('subscription_tier_3')
  +                                  color: _purchaserInfo!.activeSubscriptions.contains('subscription_tier_3')
                                         ? Colors.green
                                         : Theme.of(context).iconTheme.color,
                                   ),
                                   title: LocaleKeys.donate_supporter_title.tr(),
                                   subtitle: '4.99 USD/${LocaleKeys.month.tr()}',
                                   onTap: () => _buyProduct(
  -                                  _offerings!
  -                                      .getOffering('default')!
  -                                      .getPackage('subscription_tier_3')!,
  +                                  _offerings!.getOffering('default')!.getPackage('subscription_tier_3')!,
                                   ),
                                 ),
                                 CustomListTile(
                                   leading: FaIcon(
                                     FontAwesomeIcons.circleDollarToSlot,
  -                                  color: _purchaserInfo!.activeSubscriptions
  -                                          .contains('subscription_tier_4')
  +                                  color: _purchaserInfo!.activeSubscriptions.contains('subscription_tier_4')
                                         ? Colors.green
                                         : Theme.of(context).iconTheme.color,
                                   ),
                                   title: LocaleKeys.donate_patron_title.tr(),
                                   subtitle: '9.99 USD/${LocaleKeys.month.tr()}',
                                   onTap: () => _buyProduct(
  -                                  _offerings!
  -                                      .getOffering('default')!
  -                                      .getPackage('subscription_tier_4')!,
  +                                  _offerings!.getOffering('default')!.getPackage('subscription_tier_4')!,
                                   ),
                                 ),
                               ],
  
positive.code:                                 title: LocaleKeys.donate_slice_title.tr(),
                                  subtitle: '2.99 USD',
                                  onTap: () => _buyProduct(
                                    _offerings!
                                        .getOffering('default')!
                                        .getPackage('pizza')!,
                                  ),
                                ),
                                CustomListTile(
  
negative.code:                                 title: LocaleKeys.donate_cone_title.tr(),
                                  subtitle: '1.99 USD',
                                  onTap: () => _buyProduct(
                                    _offerings!.getOffering('default')!.getPackage('ice_cream')!,
                                  ),
                                ),
                                CustomListTile(
  