refactor: Update controllers for new Material model

MaterialsController:
- Update to use MaterialShape enum
- Add Type and Grade to imports
- Fix display name formatting

SeedController:
- Update seed data to use MaterialShape enum
- Add MaterialType assignments

CuttingTool:
- Add Notes property

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CutList.Web/Data/Entities/CuttingTool.cs

@@ -8,5 +8,5 @@ public class CuttingTool
     public bool IsDefault { get; set; }
     public bool IsActive { get; set; } = true;
 
-    public ICollection<Project> Projects { get; set; } = new List<Project>();
+    public ICollection<Job> Jobs { get; set; } = new List<Job>();
 }