fix playout build hang for block playouts (#1555)

ErsatzTV.Core/Scheduling/BlockScheduling/EffectiveBlock.cs

@@ -38,10 +38,10 @@ internal record EffectiveBlock(Block Block, BlockKey BlockKey, DateTimeOffset St
 
                     effectiveBlocks.Add(effectiveBlock);
                 }
+            }
 
             current = current.AddDays(1);
         }
-        }
 
         effectiveBlocks.RemoveAll(b => b.Start.AddMinutes(b.Block.Minutes) < start || b.Start > finish);
         effectiveBlocks = effectiveBlocks.OrderBy(rb => rb.Start).ToList();