added default equipment profile

lib/providers/equipment_profile_provider.dart

@@ -16,18 +16,18 @@ class EquipmentProfileProvider extends StatefulWidget {
 }
 
 class EquipmentProfileProviderState extends State<EquipmentProfileProvider> {
-  final List<EquipmentProfileData> _profiles = [];
+  final List<EquipmentProfileData> _profiles = [
-
+    const EquipmentProfileData(
-  late EquipmentProfileData _selectedProfile = _profiles.isNotEmpty
+      id: '',
-      ? _profiles.first
-      : const EquipmentProfileData(
-          id: 'default',
       name: '',
       apertureValues: apertureValues,
       ndValues: ndValues,
       shutterSpeedValues: shutterSpeedValues,
       isoValues: isoValues,
-        );
+    )
+  ];
+
+  late EquipmentProfileData _selectedProfile = _profiles.first;
 
   @override
   Widget build(BuildContext context) {

lib/screens/metering/components/shared/readings_container/widget_container_readings.dart

@@ -105,12 +105,12 @@ class _EquipmentProfilePicker extends StatelessWidget {
       title: S.of(context).equipmentProfiles,
       selectedValue: selectedValue,
       values: values,
-      itemTitleBuilder: (_, value) => Text(value.name),
+      itemTitleBuilder: (_, value) => Text(value.id.isEmpty ? S.of(context).none : value.name),
       onChanged: onChanged,
       closedChild: ReadingValueContainer.singleValue(
         value: ReadingValue(
           label: S.of(context).equipmentProfiles,
-          value: selectedValue.name,
+          value: selectedValue.id.isEmpty ? S.of(context).none : selectedValue.name,
         ),
       ),
     );

lib/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/screen_equipment_profile.dart

@@ -50,15 +50,18 @@ class _EquipmentProfilesScreenState extends State<EquipmentProfilesScreen> {
                 Dimens.grid56 +
                 kFloatingActionButtonMargin,
           ),
-          separatorBuilder: (context, index) => const SizedBox(height: Dimens.grid16),
+          separatorBuilder: (context, index) =>
+              index > 0 ? const SizedBox(height: Dimens.grid16) : const SizedBox.shrink(),
           itemCount: profilesCount,
-          itemBuilder: (context, index) => EquipmentProfileContainer(
+          itemBuilder: (context, index) => index > 0
+              ? EquipmentProfileContainer(
                   key: profileContainersKeys[index],
                   data: EquipmentProfiles.of(context)![index],
                   onExpand: () => _keepExpandedAt(index),
                   onUpdate: (profileData) => _updateProfileAt(profileData, index),
                   onDelete: () => _removeProfileAt(index),
-          ),
+                )
+              : const SizedBox.shrink(),
         ),
       ),
       floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,