feat(mcp-server): add MCP server settings route and component

[TheoGrandin74]

Summary

• Introduced a new route for MCP server settings in the authenticated organization settings.
• Created the SettingsMcpServer component to manage MCP server configurations.
• Updated route tree and interfaces to include the new MCP server route.
• Added links to the MCP server settings in the organization settings navigation.
• Implemented tests for the SettingsMcpServer component to ensure proper rendering and functionality.

Screenshots / Recordings

Testing

• Changes tested locally in the relevant Console's pages and Storybooks
• yarn test or yarn test -u (if you need to regenerate snapshots)
• yarn format
• yarn lint

PR Checklist

• I followed naming, styling, and TypeScript rules (see .cursor/rules)
• I performed a self-review (diff inspected, dead code removed)
• I titled the PR using Conventional Commits with a scope when possible (e.g. feat(service): add new Terraform service) - required for semantic-release
• I only kept necessary comments, written in English (watch for useless AI comments)
• I involved a designer to validate UI changes if I am not a designer
• I covered new business logic with tests (unit)
• I confirmed CI is green (Codecov red can be accepted)
• I reviewed and executed locally any AI-assisted code

[codecov]

Codecov Report

❌ Patch coverage is 75.00000% with 4 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (new-navigation@95c29bd). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...rc/lib/settings-mcp-server/settings-mcp-server.tsx	75.00%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@                Coverage Diff                @@
##             new-navigation    #2604   +/-   ##
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  Coverage                  ?   44.50%           
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  Files                     ?      624           
  Lines                     ?    14779           
  Branches                  ?     4326           
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  Hits                      ?     6577           
  Misses                    ?     7051           
  Partials                  ?     1151           

Flag	Coverage Δ
unittests	44.50% <75.00%> (?)

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