Fix: Move ConfigureNewPackageSourceMappings after ExecuteActionsAsync

Co-authored-by: aortiz-msft <[email protected]>

Author: Copilot

src/NuGet.Clients/NuGet.PackageManagement.UI/Actions/UIActionEngine.cs

@@ -474,6 +474,10 @@ await _lockService.ExecuteNuGetOperationAsync(async () =>
 
                     if (!cancellationToken.IsCancellationRequested)
                     {
+                        await projectManagerService.ExecuteActionsAsync(
+                            actions,
+                            cancellationToken);
+
                         PreviewResult? sourceMappingPreviewResult = results.SingleOrDefault(result => result.NewSourceMappings != null);
                         PackageSourceMappingUtility.ConfigureNewPackageSourceMappings(
                             userAction,
@@ -483,10 +487,6 @@ await _lockService.ExecuteNuGetOperationAsync(async () =>
                             out countCreatedTopLevelSourceMappings,
                             out countCreatedTransitiveSourceMappings);
 
-                        await projectManagerService.ExecuteActionsAsync(
-                            actions,
-                            cancellationToken);
-
                         string[] projectIds = actions
                             .Select(action => action.ProjectId)
                             .Distinct()