fix(desktop/linux): fix round camera shape preview in linux

[gedp]

Fixes circular/round camera shape not applying properly on Linux during recording preview.

In apply_recording_camera_preview_state (apps/desktop/src-tauri/src/recording.rs), when CameraPreviewShape::Round was selected, config.camera.rounding_type was not set to CornerStyle::Rounded, causing the camera bubble to render with incorrect corners.

Tested on Linux (CachyOS / Wayland).

Confidence Score: 4/5

The PR is not ready to merge because the round-preview case breaks an existing desktop test.

Findings

1.  Round preview breaks existing test ▶

Fix with agent prompt

### Issue 1
apps/desktop/src-tauri/src/recording.rs:6703
When the existing camera-state test checks the Round shape, this line changes `rounding_type` to `Rounded`, but the test still expects its default `Squircle` value. Its full-config assertion therefore fails, breaking the desktop test suite. Update the expected config to include the intended corner-style change.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Summary

The PR makes round camera previews use the Rounded corner style in generated recording configurations.

• The existing camera-state test still expects round previews to retain the default corner style and needs updating.

_{Reviews (1) · Last reviewed commit: "fix(camera): set camera rounding_type to..."}

[greptile-apps]

Round preview breaks existing test
When the existing camera-state test checks the Round shape, this line changes rounding_type to Rounded, but the test still expects its default Squircle value. Its full-config assertion therefore fails, breaking the desktop test suite. Update the expected config to include the intended corner-style change.

Prompt To Fix With AI

This is a comment left during a code review.
Path: apps/desktop/src-tauri/src/recording.rs
Line: 6703

Comment:
**Round preview breaks existing test**
When the existing camera-state test checks the Round shape, this line changes `rounding_type` to `Rounded`, but the test still expects its default `Squircle` value. Its full-config assertion therefore fails, breaking the desktop test suite. Update the expected config to include the intended corner-style change.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

[gedp]

Fixed in 81f804c, updated the test expectation.