Merge remote-tracking branch 'origin/restructuring' into support_null_safety
# Conflicts:
# old_lib/controllers/http_status_manger/http_status_manger.dart
# old_lib/controllers/providers/api/service_requests_provider.dart
# old_lib/models/visits/visits_search.dart
# old_lib/views/widgets/app_text_form_field.dart
# old_lib/views/widgets/buttons/app_small_button.dart
# old_lib/views/widgets/date_and_time/from_to_date_bar.dart
# old_lib/views/widgets/loaders/loading_manager.dart
# old_lib/views/widgets/loaders/no_item_found.dart
# old_lib/views/widgets/sound/record_sound.dart
# old_lib/views/widgets/status/report/service_report_last_call.dart
# old_lib/views/widgets/titles/app_sub_title.dart
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