Gate preview fixtures to debug builds

World Manager for Minecraft/ItemDetailColumnViews.swift

@@ -1241,8 +1241,10 @@ struct ItemDetailView: View {
     }
 }
 
+#if DEBUG
 struct ItemDetailColumnViews_Previews: PreviewProvider {
     static var previews: some View {
         ItemDetailColumnPreviewContainer()
     }
 }
+#endif

World Manager for Minecraft/ItemListColumnViews.swift

@@ -184,8 +184,10 @@ private struct ContentRowView: View {
     }
 }
 
+#if DEBUG
 struct ItemListColumnViews_Previews: PreviewProvider {
     static var previews: some View {
         ItemListColumnPreviewContainer()
     }
 }
+#endif

World Manager for Minecraft/PreviewFixtures.swift

@@ -1,6 +1,8 @@
 import Foundation
 import SwiftUI
 
+#if DEBUG
+
 enum PreviewFixtures {
     static let baseDate = Date(timeIntervalSinceReferenceDate: 770_000_000)
 
@@ -352,3 +354,4 @@ struct ItemDetailColumnPreviewContainer: View {
         }
     }
 }
+#endif

World Manager for Minecraft/SidebarColumnViews.swift

@@ -464,8 +464,10 @@ private struct ConnectedDeviceTransportIcon: View {
     }
 }
 
+#if DEBUG
 struct SidebarColumnViews_Previews: PreviewProvider {
     static var previews: some View {
         SidebarColumnPreviewContainer()
     }
 }
+#endif