[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/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,
+        };
+}