fix(vscode): restore speech button cursor

[marius-kilocode]

What Problem This Solves

The speech-to-text button shows a progress cursor while microphone startup or transcription is active. This cursor is distracting and is not needed for the control.

Why This Change Was Made

The shared icon-button loading state applies cursor: progress to the speech control. The speech-specific progress rule is removed, and the loading speech button keeps its normal pointer cursor.

User Impact

The speech-to-text spinner, busy state, disabled behavior, and accessibility attributes are unchanged. Only the mouse cursor behavior changes.

Evidence

• bun run lint passed.
• Prettier check passed for the changed CSS.
• git diff --check passed.
• Full typecheck and compile are blocked by existing missing workspace/generated modules, including @opencode-ai/core/npm and @opencode-ai/core/installation/version.

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Files Reviewed (2 files)

• .changeset/quiet-speech-cursor.md
• packages/kilo-vscode/webview-ui/src/styles/prompt-input.css

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