Resolve dependency graph items reduce allocation size (#7174)

Author: nareshjo

src/NuGet.Core/NuGet.Commands/RestoreCommand/DependencyGraphResolver.cs

@@ -1000,10 +1000,7 @@ private async Task<Dictionary<LibraryDependencyIndex, ResolvedDependencyGraphIte
                     {
                         IsCentrallyPinnedTransitivePackage = currentDependencyGraphItem.IsCentrallyPinnedTransitivePackage,
                         IsRootPackageReference = currentDependencyGraphItem.IsRootPackageReference,
-                        Suppressions = new List<HashSet<LibraryDependencyIndex>>
-                        {
-                            currentDependencyGraphItem.Suppressions!
-                        }
+                        Suppressions = [currentDependencyGraphItem.Suppressions!],
                     };
 
                     resolvedDependencyGraphItems.Add(currentDependencyGraphItem.LibraryDependencyIndex, chosenResolvedItem);
@@ -1147,10 +1144,7 @@ private async Task<Dictionary<LibraryDependencyIndex, ResolvedDependencyGraphIte
                         {
                             IsCentrallyPinnedTransitivePackage = currentDependencyGraphItem.IsCentrallyPinnedTransitivePackage,
                             IsRootPackageReference = currentDependencyGraphItem.IsRootPackageReference,
-                            Suppressions = new List<HashSet<LibraryDependencyIndex>>
-                            {
-                                currentDependencyGraphItem.Suppressions!
-                            },
+                            Suppressions = [currentDependencyGraphItem.Suppressions!],
                         };
 
                         resolvedDependencyGraphItems.Add(currentDependencyGraphItem.LibraryDependencyIndex, chosenResolvedItem);
@@ -1207,10 +1201,7 @@ private async Task<Dictionary<LibraryDependencyIndex, ResolvedDependencyGraphIte
                             {
                                 IsCentrallyPinnedTransitivePackage = chosenResolvedItem.IsCentrallyPinnedTransitivePackage,
                                 IsRootPackageReference = chosenResolvedItem.IsRootPackageReference,
-                                Suppressions = new List<HashSet<LibraryDependencyIndex>>
-                                {
-                                    currentDependencyGraphItem.Suppressions,
-                                },
+                                Suppressions = [currentDependencyGraphItem.Suppressions],
                             };
 
                             resolvedDependencyGraphItems.Add(currentDependencyGraphItem.LibraryDependencyIndex, chosenResolvedItem);