Implement conditions copy-pasting with node.

Author: BirjuVachhani

lib/src/api/custom_component.dart

@@ -98,6 +98,9 @@ class ComponentData with EquatableMixin, SerializableMixin {
   /// Node ID -> variables.
   final Map<String, Set<VariableData>> variables;
 
+  /// Node ID -> conditions.
+  final Map<String, Set<BaseCondition>> conditions;
+
   /// Returns containing rect of the component.
   RectC get rect => RectC.fromLTWH(0, 0, width, height);
 
@@ -107,11 +110,12 @@ class ComponentData with EquatableMixin, SerializableMixin {
     required this.height,
     required this.nodes,
     this.variables = const {},
+    this.conditions = const {},
   })  : assert(nodes.isNotEmpty),
         assert(width > 0 && height > 0);
 
   @override
-  List<Object?> get props => [width, height, nodes, variables];
+  List<Object?> get props => [width, height, nodes, variables, conditions];
 
   @override
   Map toJson() => _$ComponentDataToJson(this);
@@ -127,11 +131,13 @@ class ComponentData with EquatableMixin, SerializableMixin {
     double? height,
     Map<String, dynamic>? nodes,
     Map<String, Set<VariableData>>? variables,
+    Map<String, Set<BaseCondition>>? conditions,
   }) =>
       ComponentData(
         width: width ?? this.width,
         height: height ?? this.height,
         nodes: nodes ?? this.nodes,
         variables: variables ?? this.variables,
+        conditions: conditions ?? this.conditions,
       );
 }

lib/src/api/custom_component.g.dart

@@ -360,6 +360,9 @@ sealed class BaseCondition with EquatableMixin, SerializableMixin {
 
   /// Allows the provided [visitor] to visit this condition.
   R? accept<R>(ConditionVisitor<R> visitor);
+
+  /// Creates a copy of the condition with the provided values.
+  BaseCondition copyWith({String? id});
 }
 
 /// Represents an else condition. e.g. `else { ... }`. [actions] are performed
@@ -380,6 +383,7 @@ class ElseCondition extends BaseCondition {
   }) : actions = actions ?? [];
 
   /// Duplicates the else condition with the provided actions list.
+  @override
   ElseCondition copyWith({
     String? id,
     List<ActionModel>? actions,
@@ -430,7 +434,8 @@ class Condition extends BaseCondition {
     super.lastUpdated,
   });
 
-  /// CopyWith
+  /// Creates a new [Condition] instance with provided properties overridden.
+  @override
   Condition copyWith({
     String? id,
     BaseExpression? expression,
@@ -488,7 +493,8 @@ class ConditionGroup extends BaseCondition {
     super.lastUpdated,
   }) : elseIfConditions = elseIfConditions ?? [];
 
-  /// CopyWith
+  /// Creates a new [ConditionGroup] with the provided parameters overridden.
+  @override
   ConditionGroup copyWith({
     String? id,
     String? name,