feat(terminalPrompt): remove cid from displayed host

[nipsysdev]

No description provided.

[Copilot]

Pull Request Overview

This PR simplifies the terminal prompt display by removing complex CID (Content Identifier) truncation logic for IPFS hosts and instead simply removes the first subdomain from IPFS/IPNS hosts.

• Removes CID truncation constants and complex host shortening logic
• Updates host display to simply remove the first subdomain for IPFS/IPNS hosts
• Updates all test cases to reflect the new simplified behavior

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/components/terminal/TerminalPrompt.tsx	Simplifies getDisplayHost method by removing CID truncation logic and constants
src/components/terminal/tests/TerminalPrompt.test.tsx	Updates test cases to match new host display behavior and removes complex test assertions

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