feat: Add RefreshTopologyFromInitialNodes

[currantw]

Add RefreshTopologyFromInitialNodes Configuration Option

Overview

This PR adds support for the RefreshTopologyFromInitialNodes configuration option, enabling cluster topology refresh using only the initial seed nodes rather than the internal cluster view.

Changes

• ClusterClientConfigurationBuilder: Added RefreshTopologyFromInitialNodes boolean property with default value false, with WithRefreshTopologyFromInitialNodes(bool) fluent builder method.
• ConnectionConfig: Updated internal record to include RefreshTopologyFromInitialNodes field.
• FFI.ConnectionConfig: Updated constructor to accept and pass the configuration value to the native layer.
• ConnectionRequest: Added properly marshalled boolean field for FFI.
• ConnectionConfigurationTests: New test class with coverage for topology refresh

Consistency

This implementation follows the same patterns established in other language clients:

• Python: #4855
• Java: #4870
• Go: #4871
• Node: #4872

Checklist

• This Pull Request is related to one issue.
• Commit message has a detailed description of what changed and why.
• Tests are added or updated.
• Documentation is updated (XML docs added).
• Follows existing C# client patterns and conventions.
• No breaking changes

[Copilot]

Pull Request Overview

This PR adds support for the RefreshTopologyFromInitialNodes configuration option for cluster clients, enabling topology updates to query only the initial nodes instead of the internal cluster view. It also updates the VS Code default solution setting.

• Adds RefreshTopologyFromInitialNodes property and WithRefreshTopologyFromInitialNodes() method to ClusterClientConfigurationBuilder
• Threads the new boolean configuration through the internal FFI structs and connection configuration
• Updates VS Code workspace settings to use the correct solution file name

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
tests/Valkey.Glide.UnitTests/ConnectionConfigurationTests.cs	Adds unit tests verifying the default, true, and false values of RefreshTopologyFromInitialNodes
sources/Valkey.Glide/Internals/FFI.structs.cs	Adds the refreshTopologyFromInitialNodes parameter to the FFI ConnectionConfig and ConnectionRequest structs
sources/Valkey.Glide/ConnectionConfiguration.cs	Adds the RefreshTopologyFromInitialNodes property and builder method to ClusterClientConfigurationBuilder, plus updates the internal config record
.vscode/settings.json	Updates the default solution file name from "csharp.sln" to "Valkey.Glide.sln"

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