fix(app): open inline comments directly on touch devices

[Geequlim]

Issue for this PR

Closes #17598

Type of change

• Bug fix

What does this PR do?

Inline comments were only discoverable through the hover affordance in the file view, which does not work well on touch devices like iPad.

This change keeps the desktop hover flow unchanged and makes touch devices open the inline comment draft directly after a line selection.

How did you verify your code works?

1. Ran bun typecheck in app
2. Verified desktop behavior is unchanged: inline comment entry still appears on hover
3. Verified on touch devices that selecting a line opens the inline comment draft directly
4. Confirmed existing inline comment interactions still work after opening the draft

Screenshots / recordings

Before

before.mp4

After

after.mp4

Checklist

• I have tested my changes locally
• I have not included unrelated changes in this PR

[Geequlim]

Hi @adamdotdevin gentle ping on this PR — it’s a very small change with just a few lines to improve the UX. Would you mind taking a look when you have time? Thanks!

[rekram1-node]

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