Shady nagy/blazor enhance (#429)

* - Using cdnjs not nuget on bootstrap and signalr.
- Bootstrap modal used for add, edit details and delete.

* EditForm inside modal-content

* Top close button action added

* Removed unused using.

* DeleteCookies moved inside AuthService

* ApplicationCore removed from BlazorAdmin dependencies

* SecureHttpClient removed

* Logout from identity manager added

* last thing to do in logout from admin is LogoutIdentityManager.

* JSRuntime used in AuthService without pass to the functions

* Link fixed when logout from MVC

src/BlazorAdmin/BlazorAdmin.csproj

@@ -18,7 +18,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\ApplicationCore\ApplicationCore.csproj" />
     <ProjectReference Include="..\Shared\Shared.csproj" />
   </ItemGroup>