fix: Lower log level for client disconnect and missing client

Changed log severity from Error/Warning to Debug for client
disconnect and missing client events to reduce log noise.

src/PepperDash.Essentials.MobileControl/WebSocketServer/MobileControlWebsocketServer.cs

@@ -1448,14 +1448,15 @@ namespace PepperDash.Essentials.WebSocketServer
 
                 if (!socket.IsAlive)
                 {
-                    this.LogError("Unable to send message to client {id}. Client is disconnected: {message}", clientId, message);
+                    this.LogDebug("Unable to send message to client {id}. Client is disconnected: {message}", clientId, message);
                     return;
                 }
+
                 socket.Send(message);
             }
             else
             {
-                this.LogWarning("Unable to find client with ID: {clientId}", clientId);
+                this.LogDebug("Unable to find client with ID: {clientId}", clientId);
             }
         }
     }