[PM-4054] Rename Fido2Key to Fido2Credential (#2821)

* PM-4054 Renamed Fido2Key to Fido2Credential on the entire codebase

* PM-4054 Renamed file Fido2KeyApi to Fido2CredentialApi

src/Core/Models/Domain/Fido2Credential.cs

@@ -0,0 +1,56 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Bit.Core.Models.Data;
+using Bit.Core.Models.View;
+
+namespace Bit.Core.Models.Domain
+{
+    public class Fido2Credential : Domain
+    {
+        public static HashSet<string> EncryptableProperties => new HashSet<string>
+        {
+            nameof(CredentialId),
+            nameof(Discoverable),
+            nameof(KeyType),
+            nameof(KeyAlgorithm),
+            nameof(KeyCurve),
+            nameof(KeyValue),
+            nameof(RpId),
+            nameof(RpName),
+            nameof(UserHandle),
+            nameof(UserName),
+            nameof(Counter)
+        };
+
+        public Fido2Credential() { }
+
+        public Fido2Credential(Fido2CredentialData data, bool alreadyEncrypted = false)
+        {
+            BuildDomainModel(this, data, EncryptableProperties, alreadyEncrypted);
+        }
+
+        public EncString CredentialId { get; set; }
+        public EncString Discoverable { get; set; }
+        public EncString KeyType { get; set; }
+        public EncString KeyAlgorithm { get; set; }
+        public EncString KeyCurve { get; set; }
+        public EncString KeyValue { get; set; }
+        public EncString RpId { get; set; }
+        public EncString RpName { get; set; }
+        public EncString UserHandle { get; set; }
+        public EncString UserName { get; set; }
+        public EncString Counter { get; set; }
+
+        public async Task<Fido2CredentialView> DecryptAsync(string orgId, SymmetricCryptoKey key = null)
+        {
+            return await DecryptObjAsync(new Fido2CredentialView(), this, EncryptableProperties, orgId, key);
+        }
+
+        public Fido2CredentialData ToFido2CredentialData()
+        {
+            var data = new Fido2CredentialData();
+            BuildDataModel(this, data, EncryptableProperties);
+            return data;
+        }
+    }
+}