fix(chat): tooltip for pair programmer

[chungjac]

Problem

• we want different tooltip when pair programmer is on vs off

Solution

---

• Treat all work as PUBLIC. Private feature/x branches will not be squash-merged at release time.

• Your code changes must meet the guidelines in CONTRIBUTING.md.

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[github-actions]

• This pull request modifies code in src/* but no tests were added/updated.
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