[PM-5645] Cosmos DB Grant Storage (#3634)

* table storage grants

* simple shard on storage accounts

* use is not

* cosmos grant repo

* remove single storage connection string

* some fixes to dapper grant repo

* pattern matching

* add fallback to base PersistedGrantStore

* service collection extension cleanup

* cleanup

* remove unused Id

* empty string rowkey

* fix sharding method logic

* ttl for cosmos

* make ttl an int

* fixes to cosmos implementation

* fix partition key values

* catch notfound exceptions

* indenting

* update grantitem with custom serialization

* use new transform helpers

* grantloader perf test tool

* ref

* remove grant loader project

* remove table storage implementation

* remove table storage stuff

* all redis fallback to build to null

* revert sln file change

* EOF new line

* remove trailing comma

* lint fixes

* add grant to names

* move cosmos serilaizer to utils

* add some .net 8 keyed service comments

* EnableContentResponseOnWrite

* Fix type in EF grant repository

src/Core/Utilities/SystemTextJsonCosmosSerializer.cs

@@ -0,0 +1,40 @@
+using System.Text.Json;
+using Azure.Core.Serialization;
+using Microsoft.Azure.Cosmos;
+
+namespace Bit.Core.Utilities;
+
+// ref: https://github.com/Azure/azure-cosmos-dotnet-v3/blob/master/Microsoft.Azure.Cosmos.Samples/Usage/SystemTextJson/CosmosSystemTextJsonSerializer.cs
+public class SystemTextJsonCosmosSerializer : CosmosSerializer
+{
+    private readonly JsonObjectSerializer _systemTextJsonSerializer;
+
+    public SystemTextJsonCosmosSerializer(JsonSerializerOptions jsonSerializerOptions)
+    {
+        _systemTextJsonSerializer = new JsonObjectSerializer(jsonSerializerOptions);
+    }
+
+    public override T FromStream<T>(Stream stream)
+    {
+        using (stream)
+        {
+            if (stream.CanSeek && stream.Length == 0)
+            {
+                return default;
+            }
+            if (typeof(Stream).IsAssignableFrom(typeof(T)))
+            {
+                return (T)(object)stream;
+            }
+            return (T)_systemTextJsonSerializer.Deserialize(stream, typeof(T), default);
+        }
+    }
+
+    public override Stream ToStream<T>(T input)
+    {
+        var streamPayload = new MemoryStream();
+        _systemTextJsonSerializer.Serialize(streamPayload, input, input.GetType(), default);
+        streamPayload.Position = 0;
+        return streamPayload;
+    }
+}