IPlayerManager refactor (#21215)

Content.IntegrationTests/Tests/Administration/Logs/QueryTests.cs

@@ -5,6 +5,7 @@ using Content.Server.GameTicking;
 using Content.Shared.Database;
 using Robust.Server.Player;
 using Robust.Shared.GameObjects;
+using Robust.Shared.Player;
 
 namespace Content.IntegrationTests.Tests.Administration.Logs;
 
@@ -27,11 +28,11 @@ public sealed class QueryTests
         var date = DateTime.UtcNow;
         var guid = Guid.NewGuid();
 
-        IPlayerSession player = default;
+        ICommonSession player = default;
 
         await server.WaitPost(() =>
         {
-            player = sPlayers.ServerSessions.First();
+            player = sPlayers.Sessions.First();
 
             sAdminLogSystem.Add(LogType.Unknown, $"{player.AttachedEntity:Entity} test log: {guid}");
         });