fix: Forcefully load stacktrace if assert UI is shown (#2164)

- Add DiagnosticUtil to automatically filter out the "boring" stack entries.

Co-authored-by: goat <16760685+goaaats@users.noreply.github.com>

Dalamud/Interface/Internal/Asserts/AssertHandler.cs

@@ -82,7 +82,7 @@ internal class AssertHandler : IDisposable
         if (!this.ShowAsserts && !this.everShownAssertThisSession)
             return;
 
-        Lazy<string> stackTrace = new(() => new StackTrace(3).ToString());
+        Lazy<string> stackTrace = new(() => DiagnosticUtil.GetUsefulTrace(new StackTrace()).ToString());
 
         if (!this.EnableVerboseLogging)
         {
@@ -133,6 +133,9 @@ internal class AssertHandler : IDisposable
             return $"https://github.com/{userName}/{repoName}/blob/{branch}/{fileName}#L{line}";
         }
 
+        // grab the stack trace now that we've decided to show UI.
+        _ = stackTrace.Value;
+
         var gitHubUrl = GetRepoUrl();
         var showOnGitHubButton = new TaskDialogButton
         {