[SM-495] Access Policies - Individual Service Account - Project Tab (#2697)

* New endpoints to support sa projects tab

* Refactor create; Add tests

* Add creation request limit

src/Api/SecretsManager/Models/Request/AccessPoliciesCreateRequest.cs

@@ -72,6 +72,26 @@ public class AccessPoliciesCreateRequest
         }
         return policies;
     }
+
+    public int Count()
+    {
+        var total = 0;
+
+        if (UserAccessPolicyRequests != null)
+        {
+            total += UserAccessPolicyRequests.Count();
+        }
+        if (GroupAccessPolicyRequests != null)
+        {
+            total += GroupAccessPolicyRequests.Count();
+        }
+        if (ServiceAccountAccessPolicyRequests != null)
+        {
+            total += ServiceAccountAccessPolicyRequests.Count();
+        }
+
+        return total;
+    }
 }
 
 public class AccessPolicyRequest

src/Api/SecretsManager/Models/Request/GrantedAccessPolicyRequest.cs

@@ -0,0 +1,25 @@
+using System.ComponentModel.DataAnnotations;
+using Bit.Core.SecretsManager.Entities;
+
+namespace Bit.Api.SecretsManager.Models.Request;
+
+public class GrantedAccessPolicyRequest
+{
+    [Required]
+    public Guid GrantedId { get; set; }
+
+    [Required]
+    public bool Read { get; set; }
+
+    [Required]
+    public bool Write { get; set; }
+
+    public ServiceAccountProjectAccessPolicy ToServiceAccountProjectAccessPolicy(Guid serviceAccountId) =>
+        new()
+        {
+            ServiceAccountId = serviceAccountId,
+            GrantedProjectId = GrantedId,
+            Read = Read,
+            Write = Write,
+        };
+}