Reduced memory usage and fixed several memory leaks (#933)

app/MindWork AI Studio/Chat/IContentExtensions.cs

@@ -0,0 +1,20 @@
+namespace AIStudio.Chat;
+
+public static class IContentExtensions
+{
+    /// <summary>
+    /// Detaches whoever listens to the stream of this content.
+    /// </summary>
+    /// <remarks>
+    /// The streaming handlers are closures over the component which registered them. A content
+    /// object belongs to the chat thread and therefore outlives every component which renders it,
+    /// so handlers left behind would keep those components alive for as long as the thread exists.
+    /// Whoever registers a handler calls this when it is no longer needed.
+    /// </remarks>
+    /// <param name="content">The content whose streaming handlers you want to detach.</param>
+    public static void ResetStreamingHandlers(this IContent content)
+    {
+        content.StreamingEvent = IContent.NO_STREAMING_HANDLER;
+        content.StreamingDone = IContent.NO_STREAMING_HANDLER;
+    }
+}