Close RESTCONF server

[Tobianas]

Close RESTCONF server in Community Restconf stop procedure.

(cherry picked from commit 21793d5)

[gemini-code-assist]

Summary of Changes

Hello @Tobianas, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the CommunityRestConf module by ensuring that the RESTCONF server is gracefully shut down when the module stops. This change addresses potential resource management issues by properly closing the server instance, improving the module's stability and resource utilization.

Highlights

• RESTCONF Server Lifecycle Management: Introduced a dedicated field to hold the MdsalRestconfServer instance, ensuring its proper management throughout the module's lifecycle.
• Resource Cleanup: Implemented a mechanism to explicitly close the RESTCONF server during the module's stop procedure, preventing potential resource leaks.

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[gemini-code-assist]

Code Review

This pull request closes the RESTCONF server during the Community Restconf stop procedure. The changes involve adding a server field to the CommunityRestConf class, initializing it in the initProcedure method, and closing it in the stopProcedure method. This ensures that the RESTCONF server is properly closed when the module is stopped, preventing potential resource leaks or conflicts.