[FEATURE] Allow emoji input in VS code extension (chat input field)

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

Ctrl+Cmd+Space doesn't show emoji list while inputing text, unlike in GH Copilot pane.

Proposed Solution

Ctrl+Cmd+Space -> show emoji list while inputing text, like in GH Copilot pane.

Alternative Solutions

_No response_

Priority

Low - Nice to have

Feature Category

CLI commands and flags

Use Case Example

_No response_

Additional Context

VS-Code extension for MacOS