Nodes - Inform nodes they are being loaded using the new IsLoading property

src/Artemis.Core/VisualScripting/Interfaces/INode.cs

@@ -40,6 +40,11 @@ public interface INode : INotifyPropertyChanged, IBreakableModel, IPluginFeature
     /// </summary>
     bool IsDefaultNode { get; }
     
+    /// <summary>
+    ///     Gets a boolean indicating whether the node is currently loading, use this to disable pin type changes etc.
+    /// </summary>
+    bool IsLoading { get; set; }
+
     /// <summary>
     ///     Gets or sets the X-position of the node
     /// </summary>

src/Artemis.Core/VisualScripting/NodeData.cs

@@ -46,6 +46,7 @@ public class NodeData
         
         if (entity != null)
         {
+            node.IsLoading = true;
             node.X = entity.X;
             node.Y = entity.Y;
             try

src/Artemis.Core/VisualScripting/NodeScript.cs

@@ -206,6 +206,8 @@ public abstract class NodeScript : CorePropertyChanged, INodeScript
         }
 
         LoadConnections();
+        foreach (INode node in Nodes)
+            node.IsLoading = false;
     }
 
     internal void LoadFromEntity(NodeScriptEntity entity)
@@ -216,6 +218,7 @@ public abstract class NodeScript : CorePropertyChanged, INodeScript
 
     private void LoadExistingNode(INode node, NodeEntity nodeEntity)
     {
+        node.IsLoading = true;
         node.Id = nodeEntity.Id;
         node.X = nodeEntity.X;
         node.Y = nodeEntity.Y;

src/Artemis.Core/VisualScripting/Nodes/Node.cs

@@ -92,6 +92,9 @@ public abstract class Node : BreakableModel, INode
     /// <inheritdoc />
     public virtual bool IsDefaultNode => false;
 
+    /// <inheritdoc />
+    public bool IsLoading { get; set; }
+
     private readonly List<IPin> _pins = new();
 
     /// <inheritdoc />