Use 'new' expression in places where the type is evident for content (#2590)

* Content.Client

* Content.Benchmarks

* Content.IntegrationTests

* Content.Server

* Content.Server.Database

* Content.Shared

* Content.Tests

* Merge fixes

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Server/GameObjects/EntitySystems/PlantSystem.cs

@@ -19,7 +19,7 @@ namespace Content.Server.GameObjects.EntitySystems
         [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
 
         private int _nextUid = 0;
-        private readonly Dictionary<int, Seed> _seeds = new Dictionary<int,Seed>();
+        private readonly Dictionary<int, Seed> _seeds = new();
 
         private float _timer = 0f;