added copyWith to SpaceDetailsModel and its property models.

lib/pages/space_management_v2/modules/space_details/domain/models/space_details_model.dart

@@ -41,6 +41,22 @@ class SpaceDetailsModel extends Equatable {
     };
   }
 
+  SpaceDetailsModel copyWith({
+    String? uuid,
+    String? spaceName,
+    String? icon,
+    List<ProductAllocation>? productAllocations,
+    List<Subspace>? subspaces,
+  }) {
+    return SpaceDetailsModel(
+      uuid: uuid ?? this.uuid,
+      spaceName: spaceName ?? this.spaceName,
+      icon: icon ?? this.icon,
+      productAllocations: productAllocations ?? this.productAllocations,
+      subspaces: subspaces ?? this.subspaces,
+    );
+  }
+
   @override
   List<Object?> get props => [uuid, spaceName, icon, productAllocations, subspaces];
 }
@@ -70,6 +86,18 @@ class ProductAllocation extends Equatable {
     };
   }
 
+  ProductAllocation copyWith({
+    Product? product,
+    Tag? tag,
+    String? location,
+  }) {
+    return ProductAllocation(
+      product: product ?? this.product,
+      tag: tag ?? this.tag,
+      location: location ?? this.location,
+    );
+  }
+
   @override
   List<Object?> get props => [product, tag];
 }
@@ -103,6 +131,18 @@ class Subspace extends Equatable {
     };
   }
 
+  Subspace copyWith({
+    String? uuid,
+    String? name,
+    List<ProductAllocation>? productAllocations,
+  }) {
+    return Subspace(
+      uuid: uuid ?? this.uuid,
+      name: name ?? this.name,
+      productAllocations: productAllocations ?? this.productAllocations,
+    );
+  }
+
   @override
   List<Object?> get props => [uuid, name, productAllocations];
 }