Fix fluid spreader error (#6742)

Content.Server/Fluids/EntitySystems/FluidSpreaderSystem.cs

@@ -66,18 +66,17 @@ public sealed class FluidSpreaderSystem : EntitySystem
         var remQueue = new RemQueue<EntityUid>();
         foreach (var uid in _fluidSpread)
         {
-            MetaDataComponent? meta = null;
+            if (!TryComp(uid, out MetaDataComponent? meta) || meta.Deleted)
+            {
+                remQueue.Add(uid);
+                continue;
+            }
 
-            if (Paused(uid, meta))
+            if (meta.EntityPaused)
                 continue;
 
-            // If not paused
-            // it's either Deleted or will be via SpreadFluid
             remQueue.Add(uid);
 
-            if (Deleted(uid, meta))
-                continue;
-
             SpreadFluid(uid);
         }