Don't use mediator for App services (recent, resource, settings)

WIP in View models

ModernKeePass.Domain/Domain.csproj

@@ -55,6 +55,9 @@
     <Compile Include="Exceptions\NavigationException.cs" />
     <Compile Include="Exceptions\SaveException.cs" />
     <Compile Include="Interfaces\IDateTime.cs" />
+    <Compile Include="Interfaces\IHasSelectableObject.cs" />
+    <Compile Include="Interfaces\IIsEnabled.cs" />
+    <Compile Include="Interfaces\ISelectableModel.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup />

ModernKeePass.Domain/Entities/BaseEntity.cs

@@ -6,6 +6,7 @@ namespace ModernKeePass.Domain.Entities
     {
         public string Id { get; set; }
         public string Name { get; set; }
+        public GroupEntity Parent { get; set; }
         public DateTimeOffset LastModificationDate { get; set; }
     }
 }

ModernKeePass.Domain/Interfaces/IHasSelectableObject.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Domain.Interfaces
+{
+    public interface IHasSelectableObject
+    {
+        ISelectableModel SelectedItem { get; set; }
+    }
+}

ModernKeePass.Domain/Interfaces/IIsEnabled.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Domain.Interfaces
+{
+    public interface IIsEnabled
+    {
+        bool IsEnabled { get; }
+    }
+}

ModernKeePass.Domain/Interfaces/ISelectableModel.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Domain.Interfaces
+{
+    public interface ISelectableModel
+    {
+        bool IsSelected { get; set; }
+    }
+}