Feature/release cleanup (#597)

* Deselect all after bulk operations complete.

* Implemented a way to trigger selection code on mobile.

* When selection mode is active, make the clickable area the whole image.

* Series detail shouldn't use gutters for card layout as it can cause skewing on mobile

* Long press on card items to trigger the selection on mobile

* Code cleanup

* One more

* Misread the code issue

API/Startup.cs

@@ -2,6 +2,8 @@ using System;
 using System.IO;
 using System.IO.Compression;
 using System.Linq;
+using System.Net;
+using System.Net.Sockets;
 using API.Extensions;
 using API.Middleware;
 using API.Services;
@@ -9,6 +11,7 @@ using API.Services.HostedServices;
 using API.SignalR;
 using Hangfire;
 using Hangfire.MemoryStorage;
+using Kavita.Common;
 using Kavita.Common.EnvironmentInfo;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
@@ -109,7 +112,7 @@ namespace API
                     .AllowAnyHeader()
                     .AllowAnyMethod()
                     .AllowCredentials() // For SignalR token query param
-                    .WithOrigins("http://localhost:4200")
+                    .WithOrigins("http://localhost:4200", $"http://{GetLocalIpAddress()}:4200")
                     .WithExposedHeaders("Content-Disposition", "Pagination"));
             }
 
@@ -164,6 +167,14 @@ namespace API
             Console.WriteLine("You may now close the application window.");
         }
 
+        private static string GetLocalIpAddress()
+        {
+            using var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, 0);
+            socket.Connect("8.8.8.8", 65530);
+            if (socket.LocalEndPoint is IPEndPoint endPoint) return endPoint.Address.ToString();
+            throw new KavitaException("No network adapters with an IPv4 address in the system!");
+        }
+
 
     }
 }