clean up infinite researchsystem shitcode (#13136)

* clean up infinite researchsystem shitcode

* fml some more shit

* make syncing work logically

* naming naming naming

Content.Shared/Research/Components/ResearchClientComponent.cs

@@ -0,0 +1,79 @@
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Research.Components
+{
+    /// <summary>
+    /// This is an entity that is able to connect to a <see cref="ResearchServerComponent"/>
+    /// </summary>
+    [RegisterComponent]
+    public sealed class ResearchClientComponent : Component
+    {
+        public bool ConnectedToServer => Server != null;
+
+        /// <summary>
+        /// The server the client is connected to
+        /// </summary>
+        [ViewVariables(VVAccess.ReadOnly)]
+        public EntityUid? Server { get; set; }
+    }
+
+    /// <summary>
+    /// Raised on the client whenever its server is changed
+    /// </summary>
+    /// <param name="Server">Its new server</param>
+    [ByRefEvent]
+    public readonly record struct ResearchRegistrationChangedEvent(EntityUid? Server);
+
+    /// <summary>
+    ///     Sent to the server when the client deselects a research server.
+    /// </summary>
+    [Serializable, NetSerializable]
+    public sealed class ResearchClientServerDeselectedMessage : BoundUserInterfaceMessage
+    {
+    }
+
+    /// <summary>
+    ///     Sent to the server when the client chooses a research server.
+    /// </summary>
+    [Serializable, NetSerializable]
+    public sealed class ResearchClientServerSelectedMessage : BoundUserInterfaceMessage
+    {
+        public int ServerId;
+
+        public ResearchClientServerSelectedMessage(int serverId)
+        {
+            ServerId = serverId;
+        }
+    }
+
+    /// <summary>
+    ///     Request that the server updates the client.
+    /// </summary>
+    [Serializable, NetSerializable]
+    public sealed class ResearchClientSyncMessage : BoundUserInterfaceMessage
+    {
+    }
+
+    [NetSerializable, Serializable]
+    public enum ResearchClientUiKey
+    {
+        Key,
+    }
+
+    [Serializable, NetSerializable]
+    public sealed class ResearchClientBoundInterfaceState : BoundUserInterfaceState
+    {
+        public int ServerCount;
+        public string[] ServerNames;
+        public int[] ServerIds;
+        public int SelectedServerId;
+
+        public ResearchClientBoundInterfaceState(int serverCount, string[] serverNames, int[] serverIds, int selectedServerId = -1)
+        {
+            ServerCount = serverCount;
+            ServerNames = serverNames;
+            ServerIds = serverIds;
+            SelectedServerId = selectedServerId;
+        }
+    }
+}