Ava GUI: User Profile Manager + Other Fixes (#4166)

* Fix redundancies

* Add back elses

* Loading Screen fixes

* Redesign User Profile Manager

- Backported long selection bar in Grid/List view not working
- Backported UserSelector is jank

* Fix SelectionIndicator

* Fix DataType

* Fix SaveManager bug

* Remove debug log

* Load saves on UIThread

* Reduce UI thread blocking

* Fix locale keys

* Use block namespaces

* Fix close button width

* Make UserProfile ordering consistent

* Alphabetical order

* Adjust layout, remove green circle for blue selector

* Fix some inconsistencies

* Fix no inital selected profile

* Adjust appearance of edit button

* Adjust SaveManager

* Remove redundant warning dialog

* Make firmware avatar selector clearer

* View redesign again :hero_depressed:

* Consistency adjustments

* Adjust margins

* Make `UserProfileImageSelector` consistent

* Make `UserFirmwareAvatarSelector` consistent

* Fix long grid view selector

* Switch case

* Remove long selection bar

Handled in #4178

* Consistency

* Started dialog titles

* Fixes

* Remaining titles

* Update Ryujinx.Ava/UI/Controls/NavigationDialogHost.axaml

Co-authored-by: Mary-nyan <thog@protonmail.com>

* Fix build

* Hide UserRecoverer if no LostProfiles are found

* UserEditor Avatar Placeholder

* Watermark + locale adjustment

* Border radius

* Remove unnecessary styles

* Fix firmware avatar image order

* Cleanup `ColorPickerButton`

* Make `UserId` copy/paste able

* Make `FirmwareAvatarSelector` 6 images wide

* Make selection bar better

* Unsaved changes dialogue

* Fix indentation

* Remove extra check

* Address suggestions

* Reorganise

- Remove unused views
- Rename views to match convention
- Fix weird namespacing

* Update Ryujinx.Ava/UI/Views/User/UserFirmwareAvatarSelectorView.axaml

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/Views/User/UserFirmwareAvatarSelectorView.axaml

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* UserRecovererView empty placeholder

* Update Ryujinx.Ava/UI/Views/User/UserSelectorView.axaml.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/Views/User/UserSaveManagerView.axaml.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/Views/User/UserSaveManagerView.axaml.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/Views/User/UserSaveManagerView.axaml.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/Views/User/UserRecovererView.axaml.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/Views/User/UserFirmwareAvatarSelectorView.axaml.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/ViewModels/UserFirmwareAvatarSelectorViewModel.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/ViewModels/UserFirmwareAvatarSelectorViewModel.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/ViewModels/UserFirmwareAvatarSelectorViewModel.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/Models/UserProfile.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/Controls/NavigationDialogHost.axaml.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update Ryujinx.Ava/UI/Controls/NavigationDialogHost.axaml.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Remove AddModel

* Update Ryujinx.Ava/Assets/Locales/en_US.json

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Fix bug

Co-authored-by: Mary-nyan <thog@protonmail.com>
Co-authored-by: Ac_K <Acoustik666@gmail.com>

Ryujinx.Ava/UI/ViewModels/UserProfileImageSelectorViewModel.cs

@@ -0,0 +1,18 @@
+namespace Ryujinx.Ava.UI.ViewModels
+{
+    internal class UserProfileImageSelectorViewModel : BaseModel
+    {
+        private bool _firmwareFound;
+
+        public bool FirmwareFound
+        {
+            get => _firmwareFound;
+        
+            set
+            {
+                _firmwareFound = value;
+                OnPropertyChanged();
+            }
+        }
+    }
+}